Some aspects of a pilot’s job__________ be boring, and pilots often ________ work at inconvenient hours．
| A．can; have to | B．may; can | C．have to; may | D．ought to; must |
The classroom is big enough for 25 students for normal use you need more space for special activities.
| A．once | B．because | C．if | D．unless |
It is usually thoughta little child says is truth.
| A．What that | B．that what | C．which | D．that |
Mark drives his car too fast and, what’s more, very carelessly, worries his mother.
A as B.what C. it D. which
It is not like her to be so impolite; sheyou when you greeted her.
| A．might not have heard | B．should not have heard | C．mustn’t hear | D．shouldn’t hear |
When the old man woke up, he found someonehis TV in the living room.
| A．stole | B．steal | C．stealing | D．stolen |