You must_________at the airport an hour before your plane leaves.
A: check in
B: check out
C: check with
D: check over
A: check in
B: check out
C: check with
D: check over
举一反三
- Passengers must _____________ at the airport an hour before the train leaves. A: check out B: check in C: checking D: check over
- You must check ( )at the airport an hour before your flight takes off.
- To show your ticket and get your seat at the airport is to _________. A: check out B: check off C: check in D: check on
- What do you have to do before leave hotel（） A: check out B: check in C: check ove D: check on
- Please ( ) at least an hour before departure (起飞). A: take in B: take out C: check in D: check out