Some ______are ______their time to help the old people.
| A．volunteer; volunteer | B．volunteers; volunteering |
| C．volunteering; volunteers | D．volunteers; volunteers |
The number of workers in this factory _______ a lot this year. There were only
a few workers in it two years ago.
| A．have increased | B．has increased | C．have risen | D．has booked |
When I came into the classroom, I saw some girls _______ happily.
| A．cry | B．talk | C．to run | D．laughing |
— Do you know ______ for New York last night?
— At 9:00.
| A．what time he leaves | B．what time he left |
| C．what time does he leave | D．what time did he leave |
The 30th Olympic Games ______ in London this summer.
| A．hold | B．held | C．are held | D．will be held |
I ______ much progress in my English study since last term.
| A．make | B．will make | C．made | D．have made |