They had to ______ the meeting because the organizers didn’t prepare the hall well, where people can share their opinions and hold discussions.
| A．put forward | B．put out | C．put up | D．put off |
Going out for a trip with friendspopular in the last few years .
| A．is | B．was | C．has been | D．had been |
—Tom came to work last Friday ,but no one has seen him since.
—he have had an accident ?
| A．Should | B．Must | C．Might | D．Could |
—I telephoned him twice and I couldn’t get through to his home.
—I think the line might have been out of order, ________?
| A．don’t you | B．wasn’t it | C．do you | D．hadn’t it |
—It cost me 30 yuan to get here.
—Well, it was crazy of you to take a taxi _______ you could come by bus as well.
| A．while | B．if | C．when | D．because |
—Will you go shopping now?
—Not until I ________ my experiment.
| A．have finished | B．will finish | C．finished | D．had finished |