Not until his mother came in ________to prepare his lessons.
| A．did the boy begin | B．the boy began |
| C．began the boy | D．the boy did begin |
_____ to the delight of the schoolchildren, they will have a longer winter holiday which falls a week earlier than they have expected.
| A. Many |
B. Much |
C. Plenty |
D. Lots |
—How was ______ they discovered the entrance to the underground palace?
—Totally by chance.
| A. it that |
B. he that |
C. it which |
D. it |
So far no life has been found outside the earth, but while some scientists are actively searching for living things in outer space, others firmly believe there ______.
| A. mustn’t be |
B. may not be |
C. can’t be |
D. won’t be |
I don’t like the way ____ he often uses to speak to me.
| A. in which |
B. which |
C. how |
D. what |
---What’s the matter with you?
---After the long walk, my legs ______ and I couldn’t go any further.
| A. gave out |
B. gave off |
C. gave in |
D. gave up |