—Excuse me，may I take a seat here?
一____________．The man on the seat has left．
| A．You'd better not． | B．No，thanks． |
| C．Yes，Please． | D．I'm afraid not． |
Jim_____to learn English well.
A.can B.must C.was able
Mother looked ______when she got our presents.
A. angrily B.happy C.happily
–Do you know ____________for London tomorrow?
-- At 6:00 o’clock in the morning.
| A．when did he leave | B．when he left |
| C．when is he leaving | D．when he is leaving |
The park _________by the cleaners every two days.
| A．is swept | B．was swept | C．has swept | D．will sweep |
Their car broke down while they ________in the desert.
| A．drove | B．were driving | C．are driving | D．will drive |