题目内容：

Rewrite the sentences. (按要求改写句子)

1.The training in the wilderness is not easy, but I still want to have a try. (保持句意基本不变)

________ the training in the wilderness is not easy, I still want to have a try.

2.Your eyesight may become poorer if you still spend much time on computer games. (保持句意基本不变)

Your eyesight may not become poorer ________ you ________ spend much time on computer games.

Your eyesight may not become poorer ________ you spend much time on computer games.

3.My brother visited the local bigger temple soon after he arrived in Thailand. (保持句意基本不变)

My brother visited the local bigger temple ________ ________ ________ he arrived in Thailand.

4.He ran so quickly that we all couldn’t catch up with him. (保持句意基本不变)

He ran________ quickly ________ us ________ catch up with.