5.We invited her to dinner but she didn’t even bother to _______ .
| A．turn in | B．turn up | C．turn on | D．turn down |
You ______ scold such a pupil who always keeps silent so seriously that you ______ hurt him.
| A．should; can | B．may; will |
| C．mustn’t; may | D．can’t; must |
A new iphone costs about _________of a second-hand one．
| A．the price of three times |
| B．three times the price |
| C．as much as the three times price |
| D．three times more than the price |
I have already forgotten ______ you bought the computer.
| A．that it was when | B．that was it when |
| C．when was it that | D．when it was that |
On her next birthday, Jane ______married for thirty years.
| A．is | B．will be |
| C．has been | D．will have been |
A nature reserve for white－flag dolphins was set up in 1992, ________ boats have been
prohibited from sailing around since then.
| A．where | B．which | C．when | D．what |