2 . 从方框中选择单词的适当形式填空，使每个句子在结构、句意和逻辑上正确。

mean   he   difficult   kind   excite   own   breathe   important   knife   break

1. Miss Gao is a good teacher. She shows her love and ________ to us.
2. It was time for dinner. Mother put ________ and forks (叉子) on the table.
3. Everyone knows the red light ________ “Stop”.
4. Tim was able to read by ________ at the age of four.
5. When we run fast, we usually have problems ________.
6. He was so ________ about the good news that he danced happily.
7. They had ________ in finding the hotel without a map.
8. I know the ________ of health, so I keep on exercising every day.
9. The ________ bicycle is not mine. It is John’s. He asked someone to repair it yesterday.
10. Who is the ________ of this big house?

7 . People usually have problems b______ (呼吸) the air as they climb higher and higher.

8 . 选择单词或词组，用其适当的形式填空，使句子意思正确、通顺。每词限用一次，其中两词多余。

heavy, breathe, cut off, borrow, lend, kind, cut out

1. Honey, come and help me ________ the picture of Xiao Zhan from the magazine.
2. Can you ________ your notebook to me? I want to look up a new word.
3. You’d better not go out. It’s raining ________.
4. Thanks for your ________. You really help me a lot.
5. When we climb mountains high, we often have problems ________.