As is often pointed out, knowledge is a two-edged weapon which can be used ________ for good or evil．
| A．similarly | B．properly | C．equally | D．widely |
I can guess you were in a hurry. You ＿＿ your sweater inside out.
| A．had worn | B．wore | C．were wearing | D．are wearing |
—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 |
All the preparations for the task ___________, and we’re ready to start.
| A．completed | B．complete | C．had been completed | D．have been completed |
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 |
I wonder why Jenny ____ us recently. We should have heard from her by now.
| A．hasn’t written | B．doesn’t write | C．won’t write | D．hadn’t written |