1. As he was waiting downstairs, he suddenly heard a voice calling from ____ .
A. over B. above C. up D. upon
2. He has lived _____ for many years. That's why he can hardly speak his mother tongue now.
A. in abroad B. exotic C. foreign D. abroad
3. --- Could I speak to Mary?
--- Well, she’s on holiday, _____ .
A. actually B. indeed C. truly D. certainly
