—Hi，Jim.You look so tired.
—Well，I kept________for an hour because I missed my bus.
A. walk B. to walk C. walked D. walking
—I have few friends here.What should I do，Victor?
—I think________to others can help you make new friends.
A. shouts B. smiles C. smiling D. shouting
—When is a good time________trees?
—Spring，I think.
A. planted B. paint C. planting D. to plant
Our math teacher is really________.We all like him very much.
A．lazy B．understanding
C．unfriendly D．scary
—Why was the little girl so________to see her mother come back?
—Because she broke a cup just now.
A. upset B. happy C. excited D. tired
You will cut your problem in ________ half if you'd like to share it with others.
A. a B. an C. the D. /
