Generally speaking, employers should not _____ themselves in the private matters of their staff.
| A．remind | B．inform | C．understand | D．involve |
_____ of the students who took part in the military training is 450.
| A．A number | B．A lot | C．Lots | D．The number |
He told me that she had met one of my old friends in the street ________.
| A．the next day | B．the following day |
| C．the day before | D．yesterday |
I like Emy, ________ she can be annoying（烦人的）at times.
| A．even though | B．now that |
| C．as though | D．as long as |
A new government was ________ after the war.
| A．set down | B．set up | C．set out | D．set off |
It _________ we had stayed together for a couple of weeks ______ I found we had a lot in common.
| A．was until, when | B．was until, that |
| C．wasn’t until, when | D．wasn’t until, that |