选择恰当的连词

________(when/as/while)I stopped my car, a man came up to me．

选择恰当的连词

________(when/as/while)the day went on, the weather got worse．

选择恰当的连词

________(when/as/while)you have finished your work, you may have a rest．

用括号内动词的适当形式填空

I hope your health ________(improve)by the time you come back next year．

用括号内动词的适当形式填空

There ________(be)someone in our room just now, because I noticed a burning cigarette end on the floor when we opened the front door．

用括号内动词的适当形式填空

I ________ hardly ________(sit down)before the bell rang．

用括号内动词的适当形式填空

Mary ________(finish)her homework before her mother returned．

用括号内动词的适当形式填空

I played computer games after I ________(finish)my homework．

用括号内动词的适当形式填空

The train ________(go)before we got there．

用括号内动词的适当形式填空

By the time we saw each other last time, she ________(have)two children．