The best way to explore _______ countryside is on _______foot.
He _____________ computer games so he has fallen behind at school.
As soon as he comes back, I’ll tell him when ________ and see him.
Only thirty percent of the graduates _____ state-run companies.
---- Have you ever seen a dictionary ____________ our school library? ---- Yes, it is over there and Mary is using it.
The Northeast Tiger, Which is ________ to people, is now _________.