— What happened to the young trees we planted last week?
—The trees______well, but I didn’t water them.
| A．might grow | B．needn’t have grown | C．would grow | D．would have grown |
It ______ to me that I might try this way to deal with this problem.
| A．took place | B．burst | C．occurred | D．happened |
—The tree is so tall.
—Yes. It ______nearly 20 metres.
| A．measures | B．is measured | C．measure | D．to be measured |
Most of the Europeans refuse to accept GM food ______Americans regard it as the fruit from high tech.
| A．when | B．as | C．while | D．the moment |
Not only John and Tom but also their sister, Mary, ______great interest in the piano lessons.
| A．take | B．takes | C．have taken | D．had taken |
—Shall I wait here for three hours?
—Yes. Three hours ______for you to wait for such a doctor.
| A．are not very long | B．is not long enough |
| C．was not long enough | D．will be too long |