单项选择题
These desks and chairs（）to the children in the mountain villages next week.
A.are sent B.will send C.have sent D.will be sent
单项选择题 Therefore, other things（）equal, the number of workers that employers want decreases.
单项选择题 There is（）water in the glass, is there?
单项选择题 There have been many（）in their marriage but they still love each other.
