Yang Liwei ________ about twenty-one hours in space.
A.spend B. spent C.gave
Shenzhou5 _______ into space with Yang Liwei.
A. fly B. flew C. fly to
Why are you wearing a hat?
--it’s hot.
A. So B. Because C. But
Let’s go.
A. swimming B. swims C. swimming
-- you go to the theater last night?
--Yes, Ia wonderful time.
A. Do , had B. Are ,have C. Did , had