________ for the fact that she broke her leg, she might have passed the exam.
| A．Hadn’t it been | B．Had it not been | C．Was it not | D．Were it not |
Only then _____ how much damage had been caused.
| A．she realized | B．She had realized |
| C．had she realized | D．did she realize |
East of the mountain ______ two towns, ________ my hometown.
| A．lie; one of which is | B．lies; where lies |
| C．lies; one of which is | D．lie; that is |
So suddenly ________that the animals in the zoo looked very frightened during the total solar eclipse (日全食)．
| A．did the sky turn dark | B．the sky did turn dark |
| C．turned the sky dark | D．was the sky turned dark |
Then ____ that the war was over.
| A．the news came | B．came the news |
| C．did the news come | D．did come the news |
Never _____________ of being admitted to Oxford University.
| A．have I dreamed | B．did I dream | C．I have dreamed | D．I dreamed |
He is taller than he .
| A．used | B．used to be | C．used to | D．used to do |
— What are you going to do this weekend?
— ______, I’m going to visit the Nature Museum.
| A．If anything | B．If ever | C．If possible | D．If busy |
Only when he returned _________ that the war had ended and the army had come back.
| A．we tell | B．we told | C．did we tell | D．were we told |
________, his idea was accepted by all the people at the meeting.
| A．Strange as might it sound | B．As it might sound strange |
| C．As strange it might sound | D．Strange as it might sound |