单项选择题
— When is your birthday? —（）
A.It’s on the 18th of March B.I don’t know how to celebrate it C.It’s not easy tor emember it D.I was born in a small village
单项选择题 — What do you think of his suggestion? —（）.
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.
