Your Chinese is so beautiful. How long have you studied it?—I have studied it _____ 2008. [ ]

Good paper is usedletters, magazines and books. [ ]

We’ll have a surprise party for Danny ________ the evening of New Year’s Day.[ ]

Everyone must __________ the security check (安检) before getting on the plane at the airport.— Yes. It’s necessary to ensure the passengers’ safety.

The weather in Guangzhou is hotter than_____ in Harbin.