— Why do you do volunteer work in the North-West?— I___ to improve the lives of the children there through my efforts.
#99543
A
was trying
B
have tried
C
am trying
D
tried
推荐题目
I’m calling about the apartment you      the other day. Could you tell me more about it?
#100603
A
advertised
B
had advertised
C
are advertising
D
will advertise
She told me that she had mailed part of the products and that the rest ______ in a few days. 
#99232
A
has followed
B
have followed
C
was following
D
were following
She ____ the book for 2 weeks .
#103926
A
has lent
B
has borrowed
C
has bought
D
has kept