The rescue workers were working around the clock, ________ supplies to Yushu Qinghai Province after the earthquake．
| A．to send | B．sending | C．having sent | D．to have sent |
-----Are you pleased with the play?
------Not at all. It couldn’t have been___.
| A．worse | B．so better | C．better | D．the worse |
----Did Jack come back early last night?
------Yes. It was not yet eight o’clock____ he arrived home.
| A．before | B．when | C．that | D．until |
Almost every country is increasing the price of cigarettes____ reduce smoking.
| A．so that | B．so as to | C．in order that | D．as to |
____many times, he still didn’t understand it.
| A．Having been told | B．Though to be told |
| C．Having told | D．He was told |
Would you like some chocolate?
--I’d like some, but I’m _____
| A．on diet | B．in a diet | C．on a diet | D．in diet |