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【判断题】
完全二中，若一个结点没有，则它必是树叶A.
正确
B.
错误
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举一反三
【单选题】一I'm sorry, I was late. —________. [ ]
A.
Not at all
B.
It doesn't matter
C.
Of course not
D.
Don't mention it
【简答题】根据中文意思完成句子。 1. 对不起，我迟到了。 I'm sorry I ________ class. 2. 迈克，放学后和我一块去购物怎么样？ ________ going shopping with me after school, Mike? 3. 我每天都花半小时步行上学。 ________ 30 minutes to walk to school every day. 4. 学生们都在...
【单选题】-I'm sorry I made a mistake! 一 _▲ Nobody is perfect.
A.
Take your time.
B.
You're right.
C.
Whatever you say.
D.
Take it easy.
【单选题】一I'm sorry, but there is no smoking on this Alight.-Oh, I____ that. Sorry, I won't again.
A.
don't know
B.
didn't know
C.
won't know
D.
haven't known
【简答题】根据中文意思完成句子。 1. 很抱歉今天不能陪你去购物，明天怎么样？ I'm sorry I can't go shopping with you today. ________________________ tomorrow? 2. 多吃水果和蔬菜对身体有好处。 ________________________ our health to eat more fruit and vegetabl...
【单选题】一James, I'm sorry I used your computer when you were away this morming.-______.
A.
That's all right
B.
It's a pleasure
C.
You are welcome
D.
Don't mention it
【简答题】’ 一I'm sorry I _______ my homework at home.一That's all right. Don't forget _______ it to school tomorrow.A. forgot; bringing B. left; to bring C. left; bringing D. forgot; to bring
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