His family are worried about him because they haven’t________letters from him for a long time．
| A．accepted |
| B．received |
| C．written |
| D．collected |
I think _____ necessary to accept his advice because it’s of great ______ to me,
| A．it’s, valuable | B．that; value |
| C．this; valuable | D．it; value |
—I noticed Lily _____ a pink dress at the party. —I think she looks better_____ red.
| A．wearing ; in | B．dresses ; on |
| C．dressed; in | D．wear ; on |
— __________ terrible mess you have made! — Sorry. I will clear it up right now.
| A．What | B．How | C．How a | D．What a |
The number of the teachers in our school ____ over 400, and ____ of them are women teachers.
| A．are; two-thirds | B．is; two third |
| C．is; two thirds | D．are; two-third |
______ Saturday ________ Sunday is OK. I’ll be free then.
| A．Either; or | B．Neither; nor |
| C．Both; and | D．Not only; but also |