Have you ever dropped anything ______ a passenger?
A: in
B: at
C: on
A: in
B: at
C: on
举一反三
- 你在网上买过东西吗? A: Have you ever bought anything online? B: Have you ever buyed anything online? C: Will you buy anything online? D: Would you like to buy anything online?
- A: Have you written anything on Chinese traditional food so far B:（）, but I have a plan for it. A: Ever since B: Later on C: Not yet D: From now on
- Have you ever been abroad? Where have you been
- Have you ever read ____?
- Have you ever _____ to a foreigner?