It has been announced that all the candidates______ remain in their seats until all the papers have been collected.
| A．can | B．will | C．shall | D．should |
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 |
. ______ washing machine’s out of order, so I have to wash all our clothes by ______ hand.
| A．The … / | B．A … the | C．The … the | D．A … / |