Make sure that your computer room is 100%________of insects because they can really cause trouble to your machine.
| A．absent | B．rare | C．free | D．short |
Do you still remember the chicken farm_______ we visited three months ago?
| A．where | B．when |
| C．that | D．what |
He____ in the north, but now he____ here.
| A．used to live; is used to the life |
| B．use to live; is used to live |
| C．used to living; is used to living |
| D．used to live; is used to live |
The terrible earthquake _________ many people leave their homes.
| A．caused | B．made |
| C．got | D．left |
“He will answer for it”, the boy said, ________ the man.
| A．referred | B．referred to |
| C．referring | D．referring to |
--How are you getting along with your studies?
--I haven’t made ________I should.
| A．so more progress as |
| B．as much progress as |
| C．so many progress as |
| D．such much progress as |