You look so tired. Why ____________ to have a rest ?
—In my opinion, the government take _________ to deal with the drought in the three southwest province. —I quite agree with you. I took part in the contribution.
-----Do you know ______ man under the tree? ------Oh, he is _______ university teacher.
Which sign represents the meaning of saving water?
—You are late. The meeting _________ for about ten minutes.—I’m sorry. The traffic is heavy.
The high-speed railway linking Zhengzhou in Henan province to the western city of Xi'an in Shanxi province, started __________ January 17, 2010.