题目内容
2.1 am not sure____________ the white sand beaches will be still there in a hundred years.
2. if/whether
二、从方框中选择适当的选项完成对话，将序号填在横线上（六选五）
A. what they are | B. like blue best | C. how many colours are there in it |
D. right after the rain stopped | E. the sun shone | F. the colour of nature |
John: Hi, Mike. I saw a rainbow just now. Did you see it?
Mike: Yes, I did. It appeared in the sky (1)________________ .
John: When(2)_______________ ， it looked really beautiful. There are seven colours in a rainbow. Do you know(3) ？
Mike: Of course. They are red, orange, yellow, green, blue, indigo and er ...
John: Violet!
Mike: Right! I(4)_______________ . What about you?
John: My favourite colour is green.
Mike: Why?
John: Green is <5)______________ . When I see green, I will feel energetic.
Mike: How about going camping tomorrow morning? It must be a fine day tomorrow.
John: That's a good idea.