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1._____earth goes around______sun
A.The/the         B.A/The          C.The/a           D.An/the
2.Most students are interested______playing sports
A.On                 B.at                 C.under          D.in
3.While the tortoise__________,the hare_________
A.runs/sleeps     B.was running/was sleeping    C.ran/was sleeping   D.ran/slept
4._______we go to the Hue festival,we can watch royal court music performances...
A.Because          B.When          C.if                 D.Eventhough
5.Thach Sanh was______.He works very day to support his family 
A.brave                B.fierce            C.cruel          D.Wicked