考点演练
一、用方框中所给词完成句子。
if that whether
1. — Tony, would you like to go camping with me this afternoon?
— I'd like to, but I'm not sure ______ my parents will agree.
2. I'm not good at Chinese, and I wonder ______ or not I can pass the Chinese test.
3. — May I ask ______ you will come to our party this weekend?
— Yes. I'll be glad to. Thanks for your invitation.
4. — I'm in no doubt ______ he has paid for the tickets.
— Of course not! Unless I have a bad memory.

一、1. if/whether 2. whether 3. if/whether 4. that

二、根据汉语意思完成句子。
1. 我们想知道他是否会给我们提供一些建议。
We wonder ______ he will offer us some advice.
2. 我不确定我是否该待在家里而不是去购物。
I'm not sure ______ I should stay at home instead of going shopping.
3. 凯特想知道蓝色的衣服是否适合她。
Kate is ______ whether blue clothes are suitable for her.
4. 我不知道明天是否会下雨，但如果下雨，我会待在家里。
I don't know ______ it will rain tomorrow, but ______ it rains, I'll stay at home.

二、1. if/whether he will offer us 2. if/whether I should stay at home 3. wondering if/whether 4. if/whether it will rain; if it rains