Was it in 2002 __________ he was still at middle school __________ the boy became expert at computer?
| A．that; where | B．when; where | C．that; when | D．when; that |
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 |
—Mum, where is my toy cowboy? I ________ it under the bed.
—It ________ inside your toy bucket．Remember, that’s where all your toys are supposed to go.
| A．have put; is | B．put; is |
| C．have put; was | D．put; was |