单项选择题
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A.Teach Don’s class while he’s absent.
B.Give Professor Webster the key to Don’s office.
C.Leave a message on the board in Don’s classroom.
D.Bring Don the homework that was due today.
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单项选择题
A.Kid’s play balloons.B.Weather balloons.C.Balloons for safety patrols.D.Balloons for recreation.
A.Kid’s play balloons.
B.Weather balloons.
C.Balloons for safety patrols.
D.Balloons for recreation.
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单项选择题
A.On the plane.B.On a train.C.On a bus.D.In an automobile.
A.On the plane.
B.On a train.
C.On a bus.
D.In an automobile.
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