—Zhang Lei, do you have _______ soccer ball?
—Yes, I do.
A. aB. anC. theD. /
Can the scientist ______ [iks'plein] the reasons for changing the plan?
A. explainB. experience C. exploreD. expensive
I usually ______/'præktIs/ the piano after school.
A. practiceB.popularC. problemD. person
Most of the students in our city go to school by ______ [baik].
A. back B. darkC. barkD. Bike
We should _______/ki:p/ quiet in the library.
A. sleepB. helpC. keep D. cheap
My mother bought me a computer ______ [geim] on my ninth birthday.
A. game B. green C. gymD. great
