Tom likes looking out ________ the playground __________ the classroom.
The project they’re working on ________ many teenage problems that they care about.
My parents are ________ with the __________ trip.
Why is _____ honest teacher like him supported by ________ few students?
* —Mum, we’re going to visit an old town this weekend.—________!
Great changes have taken place in Wenzhou. Who can tell _____in another five years ?