The result of the experiment was very good, ________ we hadn’t expected. A. when B. that C. which D. what |
I ________ when there came a knock at the door. A. am going to bed B. just about to go to bed C. was about to go to bed D. have gone to bed |
There is a mountain ________ the top is always covered with snow. A.of that B.of which C.whose D.that |