1.They have been good friends ___________ they were young.
A. while B.until C.for D.since
2. A.chaik B.chair C.machine D.watch
A.believed B.swapped C.moved D.closed
3. (dấu nhấn)
A. robot B. dishwasher C. automatic D. supermarket
A. Pacific B. symbol C. moment D. industry
1. D
2. C, D
3. C, A