Look! Some ______ are in the school.
We couldn't buy anything because ____of the shops were open.( )
A.allB.bothC.nothingD.none
Did you read your favorite books ____ April 23? It was World Book Day.( )
A.forB.atC.onD.in
The bed piano allows a music lover to play ____ piano while he is lying in bed.( )
A.aB.anC./D.the
You came back from Beijing yesterday. Could you tell me______?
I went there by train.( )
A.how you went there
B.who you went with
C.what you think of the trip
D.if you enjoy the trip
Riding Mobike is one of the best ways to exercise.
______. I often do it.( )
A.I disagreeB.That's true
C.I don't think soD.I'm afraid not