1.The firemen have been examining the ground _______yesterday.A.since B.for C.ago D.by2.They discovered the cause _________.A.by chance B.chancily C.fortunately D.luckily3.The bird had snatched up the snake form the ground.It had _____it.A.taken B.pu

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1.The firemen have been examining the ground _______yesterday.A.since B.for C.ago D.by2.They discovered the cause _________.A.by chance B.chancily C.fortunately D.luckily3.The bird had snatched up the snake form the ground.It had _____it.A.taken B.pu

1.The firemen have been examining the ground _______yesterday.A.since B.for C.ago D.by2.They discovered the cause _________.A.by chance B.chancily C.fortunately D.luckily3.The bird had snatched up the snake form the ground.It had _____it.A.taken B.pu
1.The firemen have been examining the ground _______yesterday.
A.since B.for C.ago D.by
2.They discovered the cause _________.
A.by chance B.chancily C.fortunately D.luckily
3.The bird had snatched up the snake form the ground.It had _____it.
A.taken B.pulled C.seized D.caried
4.She had hardly got backto the kitchen _______ doorbell rang.
A.when B.lthen C.as D.as soon as

1.The firemen have been examining the ground _______yesterday.A.since B.for C.ago D.by2.They discovered the cause _________.A.by chance B.chancily C.fortunately D.luckily3.The bird had snatched up the snake form the ground.It had _____it.A.taken B.pu
1 A since,自从,多用于现在完成时
2 A 偶然地,chancily是不安全的,C,D都是幸运地
3 C 抓住
4 A hardly.when,刚一...就.主句使用过去完成时

1 A since+时间点 用于现在完成时
2 A 偶然地
3 C 抓住
4 A 固定句型：when引到时间状语从句，主句使用过去完成时

A A C A?

1.A 2.D 3.B 4.A

1:---------- they uncles?no,they---------------.A Do...don't B Have...haven't C Has...hasn't2:Look!Here ------ the firemen.A am B is C are 1.The firemen have been examining the ground _______yesterday.A.since B.for C.ago D.by2.They discovered the cause _________.A.by chance B.chancily C.fortunately D.luckily3.The bird had snatched up the snake form the ground.It had _____it.A.taken B.pu Here are the firemen Here are the firemen The firemen ? to piay football next Sunday Here are the firemen的中文意思, The firemen--the big fire at last.A.put out B.kept out C.gave out D.took out When the firemen arrived,the fire___put out.A.has been B.had C.was D.had been The firemen ( ) three women and two boys from the burning house.a、A.gotb、 B.keptc、 C.preventedd、 D.rescued The firemen saw the fire.The firemen began to fight against the fire.(合并一句）--------- ---------- the fire,the firemen began to against the fire. With the help of the firemen ,the fire dieWith the help of the firemen ,the fire dies_______. LOOK!The firemen (put out) the big fire. 改病句：the firemen could not found the people. The firemen hurried there and carried the children to Look!The firemen ( ) the fire in the building.A put out B put off Care putting out D are putting e The fire was completely____shortly afterwards with the help of the firemen.A cut down B put out C given out 详解46 英语翻译Look at the fire,Fire,fire!Telephone one,One,nine!Bring the engine,Engine,engine!Here are the firemen,Firemen,firemen! 改同义句：At last the firemen put out the fire.At last the firemen ___ the fire ___ ___. The firemen came to the burnt house quickly.对quickly提问__ __ the firemen _to the burnt house