In Yunan Province, the drought is still getting worse．More than two billion yuan and eleven million people are to drought relief work.

______ time went by , Herbert could finish all the maths exercises in class

Students should by all means______ their studies though there are a lot of entertainments inviting them.

You look excited! —I ________ the expensive dictionary that I left in the library yesterday

“Have you ever been to HK, Jim”—– “ Yes , I ______ there for two weeks withmy parents last summer.”