— Everyone must __________ the security check (安检) before getting on the plane at the airport.— Yes. It’s necessary to ensure the passengers’ safety.
—What’s the English for 8:10? —It’s ______.
Bob can play ________ tennis but can’t play ________ violin.
---Excuse me,Can this magazine be taken out of the reading room? -----,———you can only read it here.
-----Do you know how long the diameter of the Mars? -----It’s didmeter is 53%_____that of the earth?
I swam in the river and caught a small fish yesterday afternoon. ----_____