Whenever I met him, ____ was fairly often, I like his sweet and hopeful smile.
| A．what | B．that | C．which | D．when |
Drivers usually have _____ good sense of direction.
| A．a | B．an | C．the | D．/ |
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 |
Things lost sometimes just turn up________you never expect to find them.
| A．unless | B．where | C．after | D．as if |
--- Why does Thomas speak through every discussion but never listen to the others?
--- That’s what he________do. We used to hate that, but are used to it now.
| A．ought to | B．can | C．will | D．might |
Shirley came to “power” as homework monitor two weeks ago, only________this morning,
________it too big a responsibility for her.
| A．resigning; to feel | B．to resign; to feel |
| C．resigning; feeling | D．to resign; feeling |