. "What ?" "I my key and can't open the door."
| A．happened, lost | B．has happened, lost |
| C．happens, have lost | D．has happened, have lost |
________ people were hurt in the accident.
| A．Hundred of | B．Hundred |
| C．Hundreds | D．Thousands of |
The cotton production has increased by_________percent this year compared with last year.
| A．five point six eight | B．five point sixty-eight |
| C．fifth point and six eight | D．five point and six eight |
This is a _________building，which is about_________high.
| A．six-storey;38 metre | B．six-storeys;38-metre |
| C．six-storeyed;38 metres | D．six-storey;38-metres |
David helps his mother with the housework every Saturday for abou_________t.
| A．one and half hours | B．a half and an hour |
| C．an hour and half | D．one and a half hours |
Li Ping was born_________ .
| A．in the year 1984，at 10 a.m.on June 18th |
| B．on June 18th at 10 a.m.in the year 1984 |
| C．at 10 a.m.in the year 1984 on June 18th |
| D．at 10 a.m.on June 18th in the year 1984 |