中国大学MOOC: ---Have you ever traveled abroad?---Sure. I ____ business in the USA.
举一反三
- ---Have you ever traveled abroad?---Sure. I _______ business in the USA. A: will study B: was studied C: was used to study D: used to study
- —Have you ______been to the USA —No, I've ______been there. A: ever; never B: never; ever C: ever; ever
- Have you ever been abroad? Where have you been
- 中国大学MOOC: I have every __________ with you in your hate of frequent business trips.
- If you ever have the ____ (possible) to go abroad to study, you should take it.