1.我祖父的视力很糟，没眼镜就不能阅读。

2.我听到脚步声，一定是有人来了。

3.要不要我再给你冲杯咖啡？

4.我需要在这儿签名吗？

5.你绝对不可以忘记你的承诺。

6.你今天太累了，最好早点休息。

7.你敢坐云霄飞车吗？

参考答案

1.My grandpa has a poor eyesight. He can't read without wearing glasses.

2.I heard footsteps. There must be somebody coming.

3.Shall I make another cup of coffee for you?

4.Need I sign here?

5.You must not forget your promise.

6.You're tired today. You had better go to bed earlier.

7.Dare you ride on a roller-coaster?