问题

e another wonderful discovery, ______ ofgreat importance to science

A:How are youdoing
B:What are you doing
C:How do youdo
D:What do youdo

正确答案是：

同类题型

The happiest of people don’t ______ have the best of everything; they just make the most of everything that comes along their way

The police searching the shops on both sides of the street any possible clues.

Which floor do you_______ this tall building

I hear________ singing competition was a big success.—So it was.

The driver has much experience of driving, and _____ he behaved very calmly in the dangerous situation.