We have to work hard, ______ we’ll lose the chance.
| A． therefore | B． otherwise | C． besides | D． however |
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 |
From the top of the hill, we got a spectacular ____________ of San Francisco Bay and the city.
| A．view | B．scene | C．scenery | D．sign |
Employees need to ____________ the latest technical developments.
| A．catch up with | B．keep up with | C．get along with | D．team up with |