Will you stay here for dinner with us？
Sorry， I ____________． My mother is waiting for me at home．（ ）
A．mustn'tB．can'tC．needn'tD．couldn't
I have problems in solving the task．What should I do？
You can turn to your teacher．（ ）
| A． |
tell the teacher to do it |
| B． |
think it over |
| C． |
ask the teacher for help |
| D． |
give it up |
Excuse me，could I borrow your computer？
_____，but please give it back by Saturday．（ ）
| A． |
I'm sorry |
B． |
Of course |
| C． |
Certainly not |
D． |
No，thanks． |
I'm new here．
Don't worry．I'll do what I can____you．（ ）
| A． |
to help |
B． |
help |
C． |
helping |
D． |
helped |
Could you tell me___？I must find him．
Sorry，I have no idea．But he was here just now．（ ）
| A． |
where has Harry gone |
| B． |
where Harry was |
| C． |
where can I find Harry |
| D． |
where Harry is |
The winter holiday is coming，so the twins as well as Alex____to Sanya for vacation．（ ）
| A． |
go |
B． |
goes |
C． |
are going |
D． |
is going |