你想知道别人生日什么时候，你该怎么问：
A. What are you?
B.What’s your favourite food?
C. When is your birthday?
There are three lights: ___.
A.red, yellow and green
B.red, blue and green
C.red, orange and green
— ___can I go to Shanghai?
—You can go by plane.
A.What B.Where C.How
Read and choose（根据图意选择短语,将代号填入图下括号中）
Where does the rain come from?
A. It comes from the clouds.
B. It comes from the vapour.
C. It comes from the water in the river.
Mary’s uncle is _____ doctor, her aunt is ______ artist.
A. a , an, B. a, a C an, a