It was dangerous for you to swim in that river. You eaten by the fish.
| A．might have been | B．must have been |
| C．could have been | D．should have been |
.
Don’t leave the chocolates _______Cathy can get them. They are not good for teeth.
| A．whether | B．in which | C．where | D．unless |
.
After John stayed in shanghai for a couple of days, he got the impression _________the city
was very fascinating.
| A．which | B．why | C．where | D．that |
.
Joe’s_______ in the get-together surely brought us a lot of pleasure as he is a man with a
strong sense of humour.
| A．joining | B．having been joined | C．joined | D．had joined |
.
_________ about wild plants that they decided to make a trip to Madagascar for further research.
| A．So curious the couple was | B．So curious were the couple |
| C．So were curious the couple | D．So was the couple curious |
.
36. No one knows _________ prevented the rumor from spreading.
| A．what was it that | B．what it was that |
| C．how it was that | D．why it was that |