—I am wondering if we could go boating on the weekend.
—It _____ a good idea.
| A．sound | B．sounded | C．sounding | D．sounds |
Let’s put off the picnic until next week, the weather may be better.
| A．then |
| B．if |
| C．as |
| D．when |
Living in a city can’t living in the country.
| A．be compared to |
| B．compare between |
| C．compare with |
| D．compare for |
They decide to take sail around the island.
When will the ship set sail?
| A．a；＼ |
| B．＼；a |
| C．a; the |
| D．the; \ |
at the airport, he telephoned his wife and told her what he would do when he got home.
| A．Once arrived |
| B．As soon as he reached |
| C．When he got |
| D．Upon arriving |
By the time Einstein was 14 years old, he himself advanced mathematics.
| A．has taught |
| B．taught |
| C．had taught |
| D．was teaching |