If you have some difficulty in study, yo_爱下问搜题

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问题选择题

If you have some difficulty in study, you can ask the teacher _____ help. [ ]

A. with

B. for

C. by

答案

答案：B

填空题

已知圆过点 A(1, 1)和B (2, -2),且圆心在直线x - y +1=0上，求圆的方程____.

补全对话，情景问答

选择合适的句子补全对话。

1. Yes.
2. May I have a look?
3. I like it.
4. Really?
5. Red?

A: Hi, Mike. I have a new pen.
B: _______________ What colour is it?
A: Guess!
B: _______________
A: No.
B: Purple?
A: _______________
B: _______________
A: Sure. Here you are.
B: Wow! It's nice. _______________