After reading for an hour, you’d better_______ the green trees for a minute or two.

Students ought _____ the truth.

wants to stay in a hotel has to pay their own way.

I have been keeping the portrait _____ I can see it every day, as it always reminds me of my childhoodin Paris.[ ]

Is the flight from Shanghai on time?—Of Course,it is.Itbe arriving in 10 minutes at Gate 9.