1didn't mean to trouble Curry yesterday．It was pouring with rain so I his offer of a lift．（ ）
A．refusedB．receivedC．allowedD．accepted
Today，many winter Olympic sports__________ even by children.（ ）
A．enjoyedB．enjoy
C．were enjoyedD．are enjoyed
Mr.Smith______ Chinese for two years.He's much better at it now.（ ）
A．learnsB．was learning
C．has learnedD．will learn
—Lily，what do you usually do after school？
—I_________exercise with my friends.（ ）
A．doB．didC．will doD．was doing
My parents and I_________ trees last Sunday.（ ）
A．plantB．will plant
C．are plantingD．planted
—Peter，what are you doing？
—Oh，I_________a report about national heroes.（ ）
A．will writeB．am writing
C．wroteD．have written