同义句改写。

Do not lend books to others unless you can be sure of getting them back．

Do not lend books to others ________________．

同义句改写。

It was raining hard; however, we went on with our work in the rain．

We went on with our work in the rain ________________．

同义句改写。

I shall go tomorrow if it doesn't rain．

I shall go tomorrow ________________．

同义句改写。

The teachers are very tired, but they are still working hard．

________________, they are still working hard．

同义句改写。

Hurry up, and then you'll catch the early bus．

________________, you won't catch the early bus．

按要求改写句子。(每空一词)

They are good at dancing．They are good at singing．(将两句合并成一句)

They are ________　________ good at dancing ________　________ good at singing．

按要求改写句子。(每空一词)

Maths is important．English is important, too．(将两句合并成一句)

Maths is ________　________　________ English．

按要求改写句子。(每空一词)

Unless you get a map, you will get lost easily．(同义句改写)

________ you ________ get a map, you will get lost easily．

按要求改写句子。(每空一词)

Although he eats healthily every day, he becomes ill．(同义句改写)

________　________ he eats ________ food, he becomes ill．

按要求改写句子。(每空一词)

It will take you two hours from Beijing to Shanghai by air．(同义句改写)

You will ________ two hours ________　________ Shanghai from Beijing．