The father stayed up late, ______ a long letter to his son.
| A．to write | B．writing | C．wrote | D．was writing |
The traffic rule says young children under the age of four and less than 40 pounds must be put in a child safety seat.
| A．being weighed |
| B．to weigh |
| C．weighed |
| D．weighing |
—Can I take a week’s holiday, sir?
—;we are too busy at present.
| A．Don’t worry |
| B．Don’t mention it |
| C．Forget it |
| D．No problem |
The new plant can’t the cold weather, so the researchers are trying to deal with it.
| A．suffer for |
| B．suffer |
| C．long for |
| D．suffer from |
Although I like the appearance of the house;what really made me decide to buy it was the beautiful through the window.
| A．vision |
| B．look |
| C．picture |
| D．view |
John was dismissed last week because of his attitude towards his job.
| A．informal |
| B．casual |
| C．determined |
| D．earnest |