The boys ______ the newspaper on the ground and began to read the news and articles in it.
| A．extended | B．expanded | C．spread | D．stretched |
With the time __________, our happiness grew.
| A．goes by |
| B．going by |
| C．has gone by |
| D．had gone by |
When he was 20 years old, he __________ doctor in the village.
| A．become |
| B．turned |
| C．grown |
| D．changed |
With the popularity of smartphones, the micro blog __________ a good platform for the young to show themselves gradually.
| A．becomes |
| B．has become |
| C．is becoming |
| D．became |
—What worried him so much?
—His hair is __________ grey.
| A．going |
| B．becoming |
| C．turning |
| D．staying |
It was in New Zealand __________ Elizabeth first met Mr. Smith.
| A．that |
| B．how |
| C．which |
| D．when |