问题

37.________________certain that hisinvention will lead to the development of production.

A:That's
B:This is
C:It's
D:What's

正确答案是：

同类题型

If I weren’t so tired, I __________ with you to the movie tonight.

I can’t afford the white sweater. Can you show me another one— What about the orange one The price is a little ________.

Hundreds of people gave their lives in __________ of freedom

Still remember the first time we met in the railway station?–Of courseYou ________ for the train to Shanghai

Here comes the train. Let’s_____.