—Mike，you________play the piano well if you don't work hard.
—I know，Mom.
A. don't B. won't C. doesn't D. didn't
You will________take a holiday after the exams.
A．can B．could C．be able to D．are able to
.Could you please pass me two ________？
A．pieces paper B．piece paper
C．pieces of paper D．pieces of papers
Everyone should play a part_____the earth.
A．to save B．saved
C．for saving D．in saving
—What are you doing，Susan?
—Oh，I'm________my watch.I can't remember where I put it.
A. hoping for B. asking for
C. looking for D. waiting for
Look，Mary！There are________sheep on the farm.
A. three hundreds B. hundred of
C. three hundred of D. hundreds of
