While copying this paper, be careful not to ______ any words.
| A．leave behind | B．leave aside | C．leave off | D．leave out |
—I hear Jane has gone to the Holy Island for her holiday.
—Oh, how nice! Do you know when she______________?
| A． was leaving | B． had left | C． has left | D． left |
Selecting a mobile phone for personal use is no easy task because technology____ so rapidly.
| A． is changing | B．has changed | C．will have changed | D．will change |
It was __________ back home after the experiment.
| A． not until midnight did he go | B． until midnight that he didn’t go |
| C． not until midnight that he went | D． until midnight when he didn’t go |
Was __________ that I saw last night at the concert?
| A．it you | B．not you | C．you | D．that yourself |
_________ is a fact that English is being accepted as an international language.
| A．There | B．This | C．That | D．It |