The students were singing an English song _______ Mr. Xiang came into the classroom.
Everyone is supposed_____a seat belt in the car.
---Can you tell me_____the Bamboom Garden? ---The day after tomorrow.
My friend Nancy_____Mark last week.
---What do you think of our plan? ---I think it’s reasonable. But_____Bob, what we did is a waste of time.
Everyone must stay at home_____the weather gets good.