David，look at the man in black over there．Can you tell me ____________？
He is an engineer．（ ）
A．who is heB．who he is
C．what he does
Many city people their bikes to work every day．（ ）
A．rideB．will ride
C．rodeD．have ridden
Summy ate nothing for breakfast this morning，____？
No，because she had a stomachache．（ ）
| A． |
isn't she |
B． |
was she |
C． |
didn't she |
D． |
did she |
Put the ingredients in the bowl and___，please．（ ）
| A． |
mix them up |
B． |
mix it up |
| C． |
mix up them |
D． |
mix up it |
Look at the lady in a white T﹣shirt，is she Ms．Yang？
It____be her，she has gone to the library．（ ）
| A． |
mustn't |
B． |
may |
C． |
can't |
D． |
should |
Cindy，is this___new bike？
No，it is not my bike，____is over there．（ ）
| A． |
you；mine |
B． |
your；my |
C． |
your；mine |
D． |
yours；me |