I share my room ______ a friend of _________.

How much is too much for a schoolbag?—Experts say students should carry_______ more than 10 or 15 percent of their body weight.

Henry speaks Chinese very well. He _________ in China since 2002

In the accident, five passengers were killed, _____ a foreigner.

He would feel pressured when _____ to answer theteacher’s questions in class.