. -May we leave the classroom now? -No, you ______. You ______ to leave until the bell rings.
You’ll also get _______ on keeping fit.
I'm going to take him to some museums _______ he can learn more about China.
A high school is going to allow students ________ lessons in the afternoon.
—I hear there’s a good Chinese restaurant nearby.Why not _______ there for lunch?—OK, let's go.
It's _______ in winter in Harbin and I often go out to _______.