32．Tens of thousands of trees _____ in the area in the past few years．
| A．have been planted | B．were planted | C．have planted | D．had planted |
You _______ late for yesterday’s class meeting, as it was so important.
| A．couldn’t | B．shouldn’t be | C．mustn’t have been | D．oughtn’t to have been |
Why do we have to ________ Joan’s selfish behavior? She should learn to care for others.
| A．keep up with | B．catch up with | C．put up with | D．come up with |
By the end of last year, another new theme park _______ completed in that area.
| A．was being | B．would be | C．has been | D．had been |
We then moved to Paris in 2001, ________we lived for six years.
| A．when | B．where | C．that | D．there |
---What do you think of the project put forward by the Blacks?
--- Considering its real _______, it will be well worth putting into practice, I suppose.
| A．reward | B．prize | C．cost | D．value |