_________ our earth less polluted, or we will lose our home.
A. Making B. To make
C. Make D. Made
—Can you lend me the novel ________ you talked about the other day?
—Oh, you mean the novel from Liuliu. No problem!
A. which B. what
C. who D. where
_______ hard-working boys! They have already worked for 3 hours without rest.
A. What B. How
C. What a D. What the
—Mum, may I draw some flowers on the wall?
—Oh, no, dear, you _______. Why not draw your beautiful flowers on the paper?
A. needn’t B. can’t
C. won’t D. couldn’t
—I think the magic from Liu Qian was the best program last night.
—Oh, it’s a pity. I _______ cards with my family and missed it.
A. have played B. was playing
C. play D. would play
You will never know the result ______ you try it by yourself.
A. when B. if
C. unless D. after