The tall man with glasses over there looks like our math teacher．
It _________ be him．He has gone abroad．（ ）
A．may notB．mustn'tC．can'tD．needn't
Murray plans to study art in the U．K．His friends will____off at the airport next week．（ ）
| A． |
take |
B． |
see |
C． |
leave |
I can hardly see the words on the screen．
Well，let's go and take the front seats so that we may see_____（ ）
| A． |
clear |
| B． |
clearer |
| C． |
more clearly |
I didn't hear you come in just now．
That's good．I tried ______the baby up（ ）
| A． |
to wake |
| B． |
not to wake |
| C． |
waking |
Did you say anything to your parents ____ they shouted at you？
No，I was afraid to talk back．They looked really serious and scary（ ）
| A． |
unless |
B． |
why |
C． |
when |
﹣Mike has some difficulty in finishing the task by_____．Could you help him？
﹣No problem．（ ）
| A． |
him |
B． |
himself |
C． |
his |