问题

_______ we start thinking and believing we can do it, anything is possible.[ ]

A: Since
B: While
C: Until
D: Once

正确答案是：

同类题型

I would really appreciate _______ if you could take my advice into consideration.

She didn’t decide____ .

You can’t imagine ____ fantastic fun web chatting is. —Really? But it may cause a lot of trouble sometimes.

________ Mary happy today——I don’t think so. She ________ look happy this morning.

Four and five ________ nine.