1. ________ you ever ________ (be) to Boston?
举一反三
- ______ you ever ______ to Boston? A: Have; been B: Has; been C: Have; be D: Did; been
- _____you ever _____ to Boston? (1.0) A: Did go B: Have gone C: Have been D: Did been
- ____ you ever ____ to Guilin?
- —Have you ______been to the USA —No, I've ______been there. A: ever; never B: never; ever C: ever; ever
- Have you ever read ____?