根据句意,或汉语提示，写出各单词的正确形式，每空填一词。These young people are all the _________ (先锋) in this new field.
The ___________(决定) you have made don’t seem so good. You need to be more thoughtful.
The scientists have ____________ (发现) a new way to solve the problem.
Knowing how to use ____________ (字典) will be of great help to learning English.
He _______ (怀疑) if he would learn anything new from Marie when he was at school.
根据下列短文内容，在短文后的空格处填上一个恰当的词，使短文完整、通顺
On weekdays American students usually get up at seven. Then they______their teeth and have____
__. After breakfast they___
___to school on foot or on the yellow school bus. Some students ride their bikes. They get to school at____
_eight thirty. Students have lunch ____
__school. They don't have a sleep（睡觉）at noon. After school they go____
_at half past three. Students usually play or__
____TV before dinner. They eat dinner at six in the evening. After dinner they do their____
__. They don't have much homework to do every day，so they usually go to bed early.
根据所给提示，完成下列句子。每空一词，含缩略词。Mike can join the school music festival.（改为一般疑问句）
_______ Mike _______ the school music festival?Scott works very long hours every day.（改为否定句）
Scott ________ ________ very long hours every day . Tim usually goes to bed at 9:30. （就划线部分提问）
_______ ________ does Tim usually go to bed?在村庄和学校之间有一条河流。
There is a river _________ the village ________ the school.
通读下面的对话, 然后根据上下文补全对话内容。
A: Have you
B: No, I haven’t.
A: There’s a
B: Oh, the population is growing faster and
A: If the population goes on
B: Of course. The population of the babies born in one year in China is
A: I’m afraid there will be only
B: But if every family has only
根据句意和首字母提示填词。
用括号内所给单词的适当形式填空。