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句型轉(zhuǎn)換：按要求改寫下面句子。

This problem is very difficult. We can't work it out. (合并為一句)

This problem is ________ difficult for us ________ work out.

句型轉(zhuǎn)換：按要求改寫下面句子。

Hurry up, or you'll be late for class again. (改為同義句)

________ you ________ hurry, ________ ________ be late for class again.

句型轉(zhuǎn)換

yourself, mend, you, it, can(連詞成句)

________________

句型轉(zhuǎn)換

He is OK. The doctor does a small operation. (連成一句)

He'll ________ OK ________ the doctor does a small operation.

句型轉(zhuǎn)換

He had many good friends. (改為否定句)

He had ________ good friends.

句型轉(zhuǎn)換

He didn't have much money with him. (改為肯定句)

He ________ much money with him.

句型轉(zhuǎn)換

She's swimming very well. (用can改寫)

She ________ ________ very well.

句型轉(zhuǎn)換

We are happy to meet you again. (改為感嘆句)

________ ________ we are to meet you again!

句型轉(zhuǎn)換

They were talking when their teacher came in. (對畫線部分提問)

________ ________ they ________ when the teacher came in?

句型轉(zhuǎn)換

He did his housework yesterday. (用this time yesterday改寫)

He ________ ________ his housework this time yesterday.