The radiation amount of a mobile phone for two half-hour periods per day is equal to ______ to an X-ray for ten seconds.
| A．expose | B．exposing | C．exposed | D．being exposed |
Please get someone______the washing machine.I want to get it______as soon as possible.
| A．to repair;to be repaired | B．repair;repaired |
| C．to repair;repairing | D．to repair;repaired |
Readers can______quite well without knowing the exact meaning of each word.
| A．get over | B．get in | C．get along | D．get through |
You are______your time trying to persuade him;he’ll never join us.
| A．spending | B．wasting | C．losing | D．missing |
—You didn’t invite John to the party?
—______him,too?
| A．Should I invite | B．Should I have invited |
| C．Must I invite | D．Must I have invited |
She told me that her father______to the post office when I arrived.
| A．just went | B．has just gone |
| C．had just gone | D．had just been going |