The number of the books in our library _________ about 20,000.
| A．is | B．are | C．has | D．have |
We all __________how he made such great progress in a short time.
| A．believed | B．thought | C．decided | D．wondered |
---I think Miss Gao must be in the library. She said she would go there.
---No, she ___________ be there. I have just been there.
| A．can’t | B．mustn’t | C．needn’t | D．wouldn’t |
The world’s population is getting larger and larger, so scientists will have to ______ new ways to solve food problem.
| A．catch up with | B．keep up with | C．come up with | D．make up with |
---Do you know ___________ about China?
--- The people and the food.
| A．if Jim likes | B．how does Jim like | C．why does Jim like | D．what Jim likes |
Lin Tao is good at all the subjects at school, ___________ English.
| A．really | B．mostly | C．especially | D．exactly |