He is only thirty, but has got _____.
| A．a few grey hairs | B．a few grey hair | C．a little grey hair | D．a little grey hairs |
The sales department was required In ______ a plan in three weeks.
| A．turn up | B．get up | C．come up with | D．put up with |
Look at the clock! It's time ______ work.
| A．we started | B．we'll start | C．we're starting | D．we have started |
The manager showed the new employee ______ to find the supplies.
| A．what | B．where | C．that | D．which |
If the machine should ______, call this number immediately.
| A．break down | B．set out | C．put on | D．go up |
Never ______ such a good boss before I came to this company.
| A．do I meet | B．I met | C．had I met | D．I had met |