[ Grammar ]
My children often sleep while they are …………. a plane.
A. on
B. in
C. by
D. x
Select your answer:
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Grammar › ViewMum goes to the supermarket ____ Wednesday.
A. on
B. at
C. over
D. to
Grammar and Vocabulary › View
One of your _____ will be to make sure all the lights are off in the office each night.
A. qualifications
B. responsibilities