问题

Not only________ vital for reducing fever and helping stop pain, but there are also other things that aspirin can help with.

A:aspirin has proved
B:did aspirin prove
C:has aspirin proved
D:aspirin proved

正确答案是：

同类题型

The pet cat in your hand is very nice. Is it _________ – Yes, but I’ll give it to my friend Lucy as_________ birthday present.

My new English teacher is strict ______ us and her class is really interesting.

The little boy ________ in the mud all morning. No wonder he is dirty from head to foot. [ ]

We cannot understand a disease ________ we understand the person who has the disease.[ ]

Some students often fight with each other just because of small things in daily life．It is important for students to learn how to _____________each other．