he terrible accident is under investigation.–Actually, quicker action _____ thoseworkers trapped in the mine.

Our teachers often ask us ______ over the answers carefully before handing in our papers.

_____ have you lived inEngland — For 3 years.

251 The America’s selling weapons toTaiwan cast a shadow on the Sino-US relationship Which of the following canexplain the underlined part

Winter holiday is coming. Traveling to Hainan is a good __________.