请根据句意从方框中选择合适的动词，并用其适当时态填空，使句子通顺。
| promise hold discover reply visit |
She just_ _ that people in the west have 12 star signs.
My father ______ to celebrate my birthday with me several times but never did it.
If I have time, I my grandparents in the countryside this weekend.
My penfriend to my e-mail every week.
一Can you hear some students singing in the hall?
一Yes. Our school _________ a red-song competition there.
从方框中选词并用其适当形式补全对话。
| bike, brush, recycle, save, light, else, use, agree, different, ride |
A: _______ endangered animals is one thing we can do to save the earth. What ___
____ can we do to protect the environment?
B：There are many things, such as _______ books and paper. To save water, we should turn off the lap while we ____
___ our teeth.
A：Yes, you are right. We can also turn off the ________ when we leave a room. Also, we should use _____
____bags instead of plastic bags.
B：I'm in_________ with you. But I think it's hard to stop ____
____ in cars.
A：We can ride our _______ to school or work. If everyone takes action, we can make a ____
___.
从方框中选择短语并用其适当形式填空。
| throw away, bring back, pull down, upside down, put sth.to good use |
The children made the picture _______.
We should know how to _______ our time ______.
It is easier ______ a house than to build up one.
I'll clean up my bedroom and _______ all of my useless junk.
These pictures _______ some sad memories.
用must、may、might、could或can’t完成句子。The earrings _________ be Mary’s. She never wears them.
Tim _______ go to the movies tonight. But I’m not sure.
Miss Wang _______ be at home. Because she didn’t answer the phone.
It _______ be Jason’s book. Because his name is on it.
You’d better take a raincoat. It ________ rain this afternoon.
从方框中选择短语并用其适当形式填空。
| be harmful to, at the top of, cut off, cut up, make a difference |
I think the humans are _______ the food chain now.
Whatever you can do can ________ if you put your heart.
They were asked ________ unnecessary cost to save money.
The junk food ________ human health.
The boy ________ a small piece of bread and gave it to his brother.
用所给词的适当形式填空。My father asked me not _________ (draw) on the wall.
The party ended up _________ (sing) an English song.
The couple have been _________(marry) for ten years.
I felt _______ (luck) to be alive after the earthquake.
By the time I got there, the meeting _________ (begin).
My mother has finished ________ (make) supper.
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