The course that Beijing University offers normally attracts 30 foreign students per year; _______ up to half will be from America.
Children under 10 are not permitted _____ the film.
The bird hid _____ food inside trees for the winters.
--What do you think of the play? --Oh, excellent! It’s worth a second time.
The computer system suddenly while he was searching for information on the Internet.
She a man with a lot of money. And she him for 3 years.