John didn’t feel well yesterday; otherwise he ______ to see his friend off at the airport.
| A．came | B．would come | C．would have come | D．should be coming |
I'm afraid I've little time to spare these days. I've a pile of papers to_____before the meeting.
| A．get through | B．put on | C．set up | D．send for |
Play, often seen as________activity for kids, is still important in______development of teenagers.
| A．the; the | B．an; the | C．an; 不填 | D．the; 不填 |
A computer can only do you have instructed it to do.
| A．how | B．after | C．what | D．when |
. Have you got a free evening next week? _______, let’s have dinner.
| A．While so | B．Since so | C．When so | D．If so |
The teacher, together with his students, visiting the museum when the earthquake struck.
| A．was | B．were | C．had been | D．would be |