There is nobody in the room,________?
| A．isn’t it | B．isn’t there |
| C．is there | D．is it |
Tom asked my friend ________.
| A．where was he from |
| B．that the earth is bigger than the moon |
| C．when did he came back |
| D．not to be so angry |
You must be very tired. Why not ________ a rest?
| A．to stop to have | B．to stop having |
| C．stop to have | D．stop having |
--What were you doing at 9 o’clock last Sunday morning?
--I ________.
| A．did my homework | B．am doing my homework |
| C．do my homework | D．was doing my homework |
The accident ________ a windy night last year.
| A．took place in | B．took place on |
| C．happened in | D．happened on |