Paper cutting looks very easy， it may be difficult to do.
| A．so | B．but | C．or | D．for |
I never doubt ________ the places of interest is worth ________.
| A．whether； visiting | B．that； to visit |
| C．whether； a visit | D．that； a visit |
— Do I have to sell my old computer? It almost stops working.
— You ________ do so, it only needs ________. Something has gone wrong with it.
| A．mustn’t； to repair | B．can’t； repairing |
| C．needn’t； repairing | D．may not； to repair |
. —This kind of cloth _________ well and _________ long, besides, it’s cheap.
—OK, I’ll take it.
| A．washes； lasts | B．is washed； lasts |
| C．washes； is lasted | D．is washing； is lasting |
He made a serious mistake, but he took immediate action to change that ______ it got worse.
| A．until | B．when | C．because | D．before |
—Where is my watch? I can’t find it.
—Don’t worry. It must be _________ in your room.
| A．somewhere | B．anywhere |
| C．everywhere | D．nowhere |