从方框中选择合适的短语，并用其适当形式填空
| be harmful to，cut down，turn off，pay for，take part in |
We will________houses by monthly installments．
Smoking________your health．You should give up smoking．
—Do you mind if I________the light？
—Not at all．He will________a chess tournament next week．
Lots of trees were________by the farmers．They used them to build houses．
综合填空：根据短文大意选择方框内的单词，并用其正确的形式填入空白处，使补全后的短文意思通顺，语法正确，结构完整。
| class, China, help, be, her |
Alice my good friend. She comes from
. Alice is
English name. Her English isn’t good. I
her with her English and she helps me with my Chinese. We are in the same grade, but in different
.
选择括号内恰当的单词或词组填入空白处，使句意完整、正确。
根据句意，用所给单词或短语的适当形式填空。（每词或短语只限使用一次）
| we hero safe ninety-nine catch up with |
There are many national in our country.
We enjoyed very much at the party last night.
Tomorrow it will be my grandmother’s birthday. We will celebrate it at home.
She her classmates and took part in the competition successfully.
It’s believed that the school is one of the places for children.
用方框内所给单词的适当形式填空
The traffic accident caused a fire __________, no one was killed.
It’s important to get at least eight ____________ of sleep every day.
Yesterday is my brother’s _______________ birthday.
Smoking is the second ___________ cause of death in the world.
There are about two ____________ students in our school.[
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