Some young people in America are expected to leave ______ could be life’s most important decision—marriage— entirely up to luck.

My uncle is an experienced teacher. He_____English since 2002.

Daming is going to have a good rest when he____the exam.—So is Lingling. [ ]

Smoking hasn’t been allowed in public places since May lst last year. It may be a good chance for people tosmoking.

Do you enjoy________ on the weekend?