( ) —What’s your father’s ?
—He is a worker.
A. job B. name C. address
I must ______ the traffic lights.
A.look after B. pay attention to C. look for
There is a picture _____ a bike.
A.in B. of C. at
In the USA, people on bikes must ____ a helmet.
A. on B. put on C. wear
There are always three lights: red, yellow and ______.
A. green B. blue C. orange
How do you get to the USA ________ China?
A. for B. to C. from