Shanghai has a______population than that in many other cities．（ ）
| A． |
large |
B． |
larger |
C． |
largest |
Our parents won't allow us _____ in the river alone．（ ）
A．swimB．to swimC．swimmingD．swam
What do you think of your junior high school life？
I think it is one of ______ periods in my life．（ ）
| A． |
Wonderful |
B． |
more wonderful |
| C． |
much wonderful |
D． |
the most wonderful |
Thank you for showing me the way
_______．（ ）
| A． |
No problem |
B． |
It doesn't matter |
| C． |
It is my pleasure |
D． |
It's kind of you |
Jack ______ a shower when his mother rang him up．（ ）
| A． |
takes |
B． |
has taken |
C． |
is taking |
D． |
was taking |
Will you go camping with us， Bob？
I'd love to， but I ______ study for the test．（ ）
| A． |
may |
B． |
must |
C． |
can |
D． |
could |