will you come back？
I will come back in eighteen days．（ ）
| A． |
How often |
B． |
How long |
C． |
How soon |
D． |
How much |
He was down in the mouthbecause he missed his plane．（ ）
| A． |
unhappy |
B． |
happy |
C． |
glad |
D． |
relaxed |
I'm doing a survey． Could you tell me ？
Sure． I usually go to work at 7：00 am．（ ）
| A． |
when do you go to work |
| B． |
how you go to work |
| C． |
when you go to work |
is quite easy for people to find any place in the world with the help of online maps．（ ）
| A． |
That |
B． |
It |
C． |
One |
It's already 7：50． If you want to get to the meeting on time， you must ， Jack．
I see． I'll walk quickly．（ ）
| A． |
hurry up |
B． |
ring up |
C． |
stay up |
What should I do， doctor？
healthy， you should take more exercise．（ ）
| A． |
Keep |
B． |
Keeping |
C． |
To keep |