句型转换

Do you understand what the teacher said just now?

Do you ________　________　________ what the teacher said just now?

句型转换

Yesterday I met an old friend in the street by chance．

Yesterday I met an old friend ________　________ in the street．

句型转换

Since you have got such a good job, you'd better work hard．

________　________ you have got so ________　________ job, you'd better work hard．

句型转换

You will regret in time．

You will regret ________　________　________．

用be to do sth．和 be about to do sth．填空

(1)I ________ leave when someone knocked at the door．

(2)We ________ start for Hong Kong tomorrow．

(3)You ________ start for Shanghai at once．

用so, such, such a和such an填空

(1)It ________ happened that I couldn't attend the meeting．

(2)________ little children have ________ much homework to do everyday!

(3)Can you believe that in ________ rich country there should be ________ many poor people?

完成句子

(1)I met mary ________(偶然地)yesterday．

(2)________(有可能)that you will be chosen．

完成句子

According to the pictures sent by the spaceship, no life ________　________(存在于)the planet．

完成句子

Problems also ________　________(存在于)agriculture．

完成句子

This kind of birds aren't ________　________(存在)．