Water can absorb and give off a lot of heat without big changes in temperature, thus creating a ______ environment.
| A．peaceful | B．sensitive | C．common | D．stable |
Only after Mary read her composition the second time __________ the spelling mistake.
| A．did she notice | B．she noticed |
| C．does she notice | D．she has noticed |
Charles Dickens, a famous 19th- century writer, wrote many popular novels, __________ Oliver Twist is a good example.
| A．of which | B．about whom | C．in which | D．of whom |
It was a nice meal, __________ a little expensive.
| A．as | B．whether | C．since | D．though |
- Jack is in a bad mood because he failed in yesterday’s exam.
- __________? As far as I know, he is doing fine work at school.
| A．How come | B．So what |
| C．What’s it all about | D．Have you got that |
The words of early blues songs often __________ a single line repeated two or three times.
| A．made up of | B．consisted of | C．made up | D．consisted |