----I have got a headache. ---- No wonder. You ________ in front of that computer too long.
His mother suggested he ______ to see the doctor, because his pale face suggested he ____ ill.
What I need is _____ book that contains ______ ABC of oil painting.
What a pity! I missed meeting my boss at the airport because my car was ______ in the traffic jam.
His physical disability makes _____ rather difficult for him to find a good job.
-How do you find Xiamen,Cathy?-It’s beautiful coastal city. I have ____ it for my next holiday.