问题

I’m sure Andrew will win the first prize in the final.-I think so. He____for it for months.[ ]

A: is preparing
B: was preparing
C: had been preparing
D: has been preparing

正确答案是：

同类题型

Dr. Green, as well as his wife and children, ______visit Beijing this winter.

en on holidays, the railways put on_____ trains to make people’s travel more convenient.

I still remember the college and the teachers I visited in London years ago.

May I call you Ann — ________ .

My parents encouraged me about something in a new way.