Not only my parents but also my sister ______ crazy about the TV play in the name of people．（ ）
A．isB．areC．have been
Please be quiet．Our teacher is coming．
It ______ be our teacher．She has gone to Beijing．（ ）
| A． |
must |
B． |
may |
C． |
can't |
D． |
mustn't |
I like fast food for ______ breakfast．
Me，too．I always have it with ______ cup of coffee．（ ）
| A． |
a，a |
B． |
the，a |
C． |
/，the |
D． |
/，a |
I'm sorry I am late．Mr．Jackson．
Come in，please．（ ）
| A． |
I'm not sure． |
B． |
It's a pleasure． |
C． | |
| D． |
I'm afraid not． |
E． |
That's O |
F． |
Look!Sandy is running more and looks tired．What's wrong？（ ）
| A． |
slowly |
B． |
easily |
C． |
quickly |
D． |
Carefully |
We need clean air and water，so we protect the environment．（ ）
| A． |
can |
B． |
may |
C． |
must |
D． |
might |