One fifth of the population in that country________from China．
| A．is |
| B．are |
| C．am |
| D．be |
— Which do you prefer, green tea or coffee?
—________, thanks. I'd like a glass of water.
A. Either B. Neither C. Both
—Hi, Jack, there is ________ useful book on the desk. Whose book is it?
— It belongs to my brother．
A. a B. an C. the
---What did the man ask you?
---He asked ______.
A. how can he get to the school
B. how he can get to the school
C. which was the way to the school
Lushan is a good school ______ I will never forget.
A. which B. where C. who
There are some birds_________ happily in the trees.
A. sing
B. are singing
C. singing