Hardly _ when they realized that it was too late to catch the last train．
| A．the clock had struck twelve |
| B．the clock had been struck twelve |
| C．had the clock been struck twelve |
| D．had the clock struck twelve |
179. This is the best book ______ I have been looking for all this year.
| A．who | B．whom | C．which | D．/ |
180. Good advertisements may well _____ the consumers’ emotional needs as well as providing information.
| A．refer to | B．see to | C．turn | D．lead to |
182. An oil ship accidentally sank in the ______ off the coast, which caused _____ among the residents.
| A．water; panic | B．waters; panics | C．water; panics | D．waters; panic |
183. --- You look pale, what troubled you?
--- I ______ my dead friend.
| A．am thinking about | B．was thinking about | C．had thought about | D．will think about |
184. I thought you _____ like something to read, so I have brought you some books.
| A．may | B．might | C．could | D．Must |