The tree _________ are green in spring. A. leafs B. leaves C. leaf
You are the year ____the monkey.A.of B. off C. for
We arrive___Kunming___nine o’clock___the Tuesday morning.A. in; on; at B. at; in; on C. in; at ; on
What do you do ______the Spring Festival ?A. for B. to C. with
Let’s go to Hainan ______ plane.A. take B. on C. by
This is______ ox.A. a B. an C./