_________ trees have been planted these years.
A.Million B.Millions C.Million of D.Millions of
—Peter,_______ do you visit your grandparents?
—Twice a month.
A.how long B.how soon C.how far D.how often
I’m not sure_____________ he is right. __________ he is right, I will follow him.
A.when, if B.whether, whether C.if, whether D.whether, if
What color is theP2O5?
A.Red B.Black C.White D.Green
I was born ________ the morning ______ August 1st, 1993.
A.in ; of B.on ; of C.on ; for D.at ; of
Wait a moment, I have _______ to tell you.
A.important something B.something important
C.anything important D.important anything
