Mary dropped in ____ Mr.Smith, but he wasn’t at home, so she went to drop in ____ Mr Smith's office.
A: A. on, on
B: B. at, at
C: C. on. at
D: D. at. on
A: A. on, on
B: B. at, at
C: C. on. at
D: D. at. on
举一反三
- 3. Mary dropped in ____ Mr Smith, but he wasn' t at home, so she went to drop in ____ Mr Smith's office.
- Mary dropped in ____ Mr. Smith, but he wasn't at home, so she went to drop in ____ Mr. Smith's office. A: on, on B: at, at C: on. at D: at. on
- Mr Smith ____heavily, but he has given it up.ses to smoke B. used to smoke is used to smoke D. was asked to s
- In paragraph 5, the professor wasn’t impressed by Smith’s plan and told Smith he couldn’t quantify the idea and clearly it wasn’t ________.
- M: Good afternoon. This is Dick Williams at World Travel Agency. Can I speak to Mr SmithW: No. He’s out for lunch. Where is Mr Smith now(). A: At his office. B: At lunch. C: At the travel agency.