We _______ on this project for four hours. Let’s have a rest.
| A．are working | B．have been working | C．worked | D．had worked |
—I wonder ______you’ll water this kind of flower .—Every other day .
| A．how often | B．how long | C．how soon | D．how much |
If you leave the club ,you will not be ______back in .
| A．received | B．admitted | C．turned | D．moved |
____ a letter from her parents, Lily is now looking forward to ___ from them.
A Having not received; hear B. Not received; hear
C. Not having received; hearing D. Receiving not; hearing
I can’t imagine_____ that with such a famous author.
| A．work | B．to work | C．to be working | D．working |
---You were brave enough to raise objections at the meeting.
---Well, now I regret ____ that.
A. to do b. to be doing C. to have done D. having done