The Biology problem is too hard，so students can work it out．（ ）
| A． |
little |
B． |
few |
C． |
a little |
D． |
a few |
﹣May I speak to your headmaster？
﹣Sorry，he isn't here．He _______ to Guiyang on business．
| A． |
have gone |
B． |
has gone |
C． |
have been |
D． |
has been |
﹣Can you tell me _______ come to Tongren？
﹣By air．（ ）
| A． |
when you |
B． |
when do you |
| C． |
how you |
D． |
how do you． |
﹣Would you mind _______ the electric fan，Alice？﹣Of course not．It is so hot here．（ ）
| A． |
turn off |
B． |
turn on |
| C． |
turning off |
D． |
turning on |
﹣What's in the picture？
﹣There _______ a teacher and some students playing games on the playground．（ ）
| A． |
is |
B． |
are |
C． |
has |
D． |
have |
﹣How does your father go to work every day？
﹣He used to _______ a bus but now he is used to _______．（ ）
| A． |
take；walk |
B． |
taking；walking |
| C． |
taking；walk |
D． |
take；walking |