Thank you for  _____ us so much help. 
#51344
A
giving
B
give
C
to give
D
gives
推荐题目
Danny is always very happy when he has something ___.
#48629
A
eat
B
eats
C
eating
D
to eat
There are so many kinds of pens in the shop ,I can’t decide ______.
#50047
A
when to buy
B
where to buy
C
what to buy
D
which to buy
Our teacher told us _______ in class .
#49345
A
listened carefully
B
to listen carefully
C
listened careful
D
to listen careful