I think_____ impresses me about his painting is the colors he uses.
| A．who | B．that | C．which | D．what |
They ______ so tired if they ______ for a whole day.
| A．wouldn’t feel, didn’t walk | B．wouldn’t feel, weren’t walking |
| C．wouldn’t be feeling, weren’t walking | D．wouldn’t be feeling, hadn’t been walking |
Scarcely had they settled themselves in their seats in the theatre ______ the curtain went up.
| A．then | B．before | C．when | D．then |
What you told me the other day is really true,_______?
| A．isn’t it | B．isn’t what | C．didn’t you | D．wasn’t it |
The happiest of people don’t ______ have the best of everything; they just make the most of everything that comes along their way.
| A．simple | B．necessarily | C．actually | D．normally |
China’s population is expected to increase to about 1.5 billion in 2040, _____ it will start to decline slowly.
| A．where | B．which | C．after which | D．on which |