He _____ in a university for five years,

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问题选择题

He _____ in a university for five years, but now he runs a company of his own.

A．has taught

B．had taught

C．taught

D．has been teaching

答案

答案：C

句型转换

句型转换。

1.There are a lot of sheep on the hill. (改为否定句)

There ________ ________sheep on the hill.

2. There is a lot of chocolate in the box.(改为否定句)

There ________ ________ chocolate in the box.

3. She studies for three years in America. (对划线部分提问)

________ ________ ________ she ________ in America?

4. This book isn't the same as that one. (改为同义句)

This book ________ ________ ________that one.

There are some________ between this book and that one.

问答题简答题

国务院新出台的有关草原生态保护与建设的文件是什么？