--- Have you ____ your key?
--- No, I’ve ____ for it everywhere, but I can’t find it.
A. find; looked B. looked; found C. found; looked D. looked; looked
My brother always ____ his lesson, so he is a top student.
A. works hard at B. work hardly at C. work hard at D. works hardly at
The dog is very ___, and it can work out the problem____.
A. smart; easy B. smart; easily C. smartly; easily D. smartly; easily
Danny is always very happy when he has something ___.
A. eat B. eats C. eating D. to eat
Daming likes cars. He enjoys _____ models cars of all kinds.
A. making B. make C. to make D. made
Are you afraid _____ plane?
A. of taking B. to taking C. of take D. for taking
