烧煤的工厂排出的大量黑烟还在污染空气．（pollute）
Factories that burn coal still with a lot of black smoke．
Mary does cleaning on weekends. (改为否定句)
Mary __________ __________cleaning on weekends.It’s Helen’s turn to make the duty report today. (对划线部分提问）
__________ __________is it to make the duty report today ?Tom bagan to study in that school three years ago.（改为同义句）
Three years __________ __________ since Tom began to study in that school. 老师要求我们把家庭地址填写在表格里。（完成译句）
The teacher asked us to __________ __________the form with our home address.
My grandfather insists on doing exercise though he is in his____________ (eighty)
The house is on fire .We have to run out for _________（safe）
After Lily’s grandmother died, her (sad) filled her life.
You can feel (relax) after playing sports.
Though he was born in France, he can’t speak ______________（France）
Don’t (争论) about such small things. It’s a waste of time.
Everyone can make (错误), but we should learn something from them.
I think human beings and animals should live together (和平) on the earth.
The woman is （残酷的）to the old man. She gives nothing to him.
The ( 气候 ) here is comfortable. It is neither too hot nor too cold a year round.
青奥会就要开幕了，我们不能再污染空气了。
The Youth Olympic is coming, we can’t pollute the air __________ __________.她总是对生活抱怨很多。
She always __________ about her life __________.一队消防队员迅速到达并扑灭了大火。
A group of firemen came quickly and __________ __________ the big fire.不幸的是，村民们没能从事故中挽救那个男孩。
Unluckily, those villagers__________ __________ __________ the boy form the accident.烟雾太浓以至于我们无法通过。
The smoke is __________ heavy for us__________ __________ __________.
根据句子意思，用括号内所给词的适当形式填空。The book with a blue cover is one of the __________ (twin).
At the end of that cold winter day, they __________ (decide) to go for a walk after dinner to relax.
I finished my Math homework an hour ago, but I forgot __________ (write) my English homework.
There is nothing wrong with __________ (keep) a snake if you like.
These __________ (video) are made by some students as a gift for their teachers.
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