It was playing computer games ____ cost the boy plenty of time ____ he ought to have spent doing his
lessons.
| A．what; that | B．that; when | C．which; that | D．that; that |
They won the game, _______ made their team leader proud of them.
| A．that | B．which | C．it | D．all this |
The first thing ________ we should do is to master the basic grammar.
| A．which | B．that | C．as | D．of which |
Diamond, _________, is the hardest of all materials.
| A．like we know | B．since we know | C．we know | D．as we know |
He is not such a man ________ cares for himself only.
| A．who | B．that | C．whom | D．as |
—Tomorrow is a holiday. Why are you doing your homework now?
—I am doing these exercises so that I won’t have tomorrow.
l
| A．to | B．it | C．them | D．for |