I suggest they _______ at once.
A. setting off B .to set off C. set off D have set off
Last week, only two people came to look at the house, ____ wanted to buy it.
| A．none of them | B．neither of whom |
| C．none of whom | D．both of them |
The English play ____ my students acted at the New Year’s party was a great success.
| A．for which | B．at which | C．in which | D．on which |
There are two buildings, ____stands near a hundred feet high.
| A．the larger of which | B．the larger of them |
| C．the larger one that | D．the larger |
It was a really ____ experience. Afterwards everybody was very ____.
| A．terrifying; shocking | B．terrified; shocking |
| C．terrifying; shocked | D．terrified; shocked |
All the books are not useful. Which of the following has the same meaning as this sentence?
| A．All the books are useful | B．Neither of the books is useful |
| C．Not all the books are useful | D．None of the books are useful |