问题

With so many forms ___, many students feel at a loss before the 2012 college entrance exam.[ ]
A: filling in
B: filled in
C: to fill in
D: to be filled in
B: filled in
C: to fill in
D: to be filled in
正确答案是:
同类题型
is known to us is that no one willthose who are dishonest. [ ]
This had a great ____ the future of bothmother and son.
oment nothing happened, then allshouting together.
Do you want him to lend you somemoney—– I wish he _________.
The old pianist wouldn’t listen to our repeated request that he _______ in public again.