— Why do you do volunteer work in the North-West?— I_______ to improve the lives of the children there through my efforts. 
#105303
A
was trying
B
have tried
C
am trying
D
tried
推荐题目
let’s go out now. It _____ any more. 
#105337
A
didn’t rain
B
doesn’t rain
C
won’t rain
D
isn’t raining
----what do you think of the Chinese language today?----Quite popular. It______ in communicating with other countries. More and more foreign friends are learning Chinese.
#105332
A
plays an important role
B
is playing an important role
C
has played an important role
D
is being played an important role
8.Customers are asked to make sure that they ____ the right change before leaving the shop.  
#105342
A
will give
B
have been given
C
have given
D
will be given