--How long has Robert _______? ---Since 2000.
| A．been to Beijing | B．joined the art club |
| C．become a policeman | D．studied in this school |
—My son, ___________ exercise every day. It’s good for your health.
—OK.
| A．takes | B．taking | C．take | D．to take |
Daniel would like to ___________ an LED light over his bed.
| A．put on | B．put away | C．put up | D．put in |
While she _______ TV in the sitting room, the bell _______.
| A．watches; rings | B．was watching; rang |
| C．is watching; rang | D．was watching; was ringing |
Last night, I _______ along the street when I met my English teacher.
| A．walk | B．walked |
| C．was walking | D．am walking |
—I didn’t hear you come in at noon.
—That’s good. We tried _______ any noise. We wanted you to have a good sleep.
| A．not make | B．not making |
| C．to make not | D．not to make |