-_______is the old bridge over the river?- Not very wide. It's about three meters.
The train is going _______ the tunnel. Then it will go ______to the center of the city.
—Do you like reading books?—Yes. Each of us to do more reading in and after class.
—We’ll make a trip to Hainan Island next weekend. Will you go with us?—No, I can’t _____ it at present.
—How many students are there in the classroom?—_____ .I don’t know where they have gone.
It’s wrong _____ you _______ the disabled people.