I won’t call you, ________ something unexpected happens.
| A．because | B．whether | C．unless | D．while |
_____ of the students who took part in the military training is 1450.
| A．A number | B．A lot | C．Lots | D．The number |
_____ the early bus, Tom got up much earlier than usual that morning.
| A．In order to not miss | B．In order not to miss |
| C．In order don’t miss | D．In order don’t to miss |
The English teacher told us this morning that we _____ an exam at the end of this month.
| A．will have | B．would have | C．have had | D．had had |
Many of your classmates dislike having to stay up late doing their lessons, _____?
| A．do they | B．have they | C．don’t they | D．haven’t they |
The most important thing is to keep _____ when you get into difficulties.
| A．quiet | B．calm | C．still | D．silent |