What does he do? A.He is a doctor. B.She is a doctor.
I ________ to the zoo yesterday.A. go B. went C. goes
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