50. A doctor was___________when Mother fell ill.
| A．called in | B．called up | C．call upon | D．called at |
Put on your coat! I you down to the doctor.
| A．take | B．am taking | C．took | D．have taken |
increasing the distance of your walks, you may lose more weight.
| A．By | B．From | C．On | D．For |
It’s an old car, it’s very reliable.
| A．so | B．but | C．or | D．And |
She came in forcoffee and told metraffic kept her awake last night.
| A．a, the | B．a, 不填 | C．the, the | D．the, 不填 |
Buy two CDs and get completely free.
| A．other | B．the other | C．another | D．All |