单项选择题
— What do you think of his suggestion? —（）.
A.Sorry,Ican’t remember her B.I never think of him C.It’s hard to say,actually D.No,I don’t believe it
单项选择题 Tourists can take（）trips into space in the future.
单项选择题 China launched its second（）space flight in October 2005.
单项选择题 Finally the two sides have（）
