用所给词的适当形式填空We should prevent fire__________________ (burn) the house at once.
Please cut out the ___________________ (necessary) words.
It’s______________ (correct) to drop litter _____________ (care).
The poor children got back to school_________ (with)the help of the kind people.
It’s_____________ (excited) for me to pass the driving test.
I hope this information will help you understand the ________ (important) of study.
Milk is the ________ (nature) food for young babies.
Listen! How ___________________ (happy) they are singing and dancing.
My mother (cook) when I (arrive) home yesterday.
_____ Amy ____ (visit) the Science Museum from 9:00 a.m. to 11:00 a.m. yesterday?
攀登岩壁非常危险。
________ ________ ________ ________danger in rock climbing．
A knife can be used for________(cut)bread．
好像谁也不了解这件事。
________ ________ ________nobody knew anything about the matter．
1．北京以北京烤鸭而出名!
Beijing________ ________ ________its Roast Duck!
2．新加坡以花园城市而闻名。
Singapore________ ________ ________a garden city．
1．这个扶手椅是用竹子做成的。
This armchair________ ________ ________bamboo．
2．葡萄酒是用葡萄做的。
Wine________ ________ ________grapes．