I was (感到疑惑，想知道)_________if you are free for lunch.
举一反三
- I ate ice cream for lunch.对ice cream 提问 A: What you ate for lunch? B: What do I eat for lunch? C: What did you eat for lunch? D: What does I eat for lunch?
- I have had my lunch.(变成一般疑问句并回答）______ you ______ your lunch?Yes, ____ _____.No, I _____.
- Economist often say there is no such thing as afree lunch. What do economists mean whenthey say such a thing? A: Economists,in this case, are talking about common resources. B: Someresources cause significant negative externalities. C: Even ifsomeone literally offers you a free lunch, there is an opportunity cost to theresources that are used to produce your free lunch. D: Peoplenever offer a lunch for free.
- w____ n. 惊奇，奇迹 v. 想知道，对...感到疑惑
- I want to ask you out for lunch.