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
How can I ______ the zoo?
A. gets to B. to get to C. get to
We go to Beijing ______ train.
A. in B. at C. by
How do you _____?
A. comes to school B. come to school C. coming to school