She tells me that her brother ______ Guo An Team for more than two years.

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

By the time I got to school, I realized that I ________ my backpack at home.

thatshe has gone to the United States

There is no need to tell me your answer now. Give it some ______ and then let me know.