—Not only the young but also the old are getting interested _____ WeChat (微信).
—They can communicate more freely.
| A．by | B．about | C．in | D．for |
____of the land in that district____ covered with trees and grass.
| A．Two fifths；is | B．Two fifth；are |
| C．Two fifth；is | D．Two fifths；are |
—Must I go to medical school and be a doctor like you, dad?
—No, you _______,son. You’re free to make your own decision.
| A．can’t | B．mustn’t |
| C．shouldn’t | D．needn’t |
Liu Ying is good at singing. She sings ______the famous singer, CoCo.
| A．as well as | B．as good as |
| C．as better as | D．as the best as |
This is the school _______ I studied three years ago.
| A．where | B．when | C．that | D．which |