问题

I sent ______ e-mail to Amy to say thanks for her help with my study.
A:open
B:to open
C:opening
D:to opening;
B:to open
C:opening
D:to opening;
正确答案是:
同类题型
The manager has ______ to improve the working condition in the company.
We’ve asked theneighbours to the house for us while we’re away.[ ]
I’m going to Hangzhou for a holiday this weekend.—____ you are there, can you buy me some green tea
________ my father _______ my mother believes what star signs say, but I do.