2 . The most important thing in our life is not to lose confidence no matter how awful the situation is. Although you don’t get as good grades as others, my kids, do remember it’s never too late to ________.

A．come up

B．call up

C．catch up

4 . —Now many young people leave their jobs in the city to ________ farming in the country.
—Some of them even broadcast live (直播) on we media (自媒体), so we can get a pretty good window into the lives of country life.

A．make up

B．take up

C．fill up

D．catch up

5 . 用方框中所给词或短语的适当形式完成句子。

be tired, catch up, salt, leaf, take good care of, divide into, thin, a large number of, invent, in different ways

1. The world is ________ seven continents. China lies in Asia.
2. She ________ now because she didn’t sleep last night.
3. These children whose parents were lost were ________.
4. Tom’s sister is much ________ than him.
5. The food tastes a little ________.
6. The abacus was ________ in the sixth century by the Chinese.
7. Amy couldn’t ________ with her classmates. She fell behind.
8. We can solve the problem ________. The answer is not only one.
9. They sent ________ school things to the Hope Primary School.
10. In autumn, the ________ turn red or yellow and fall down.