I think this problem is much more difficult than that one,______?
A. don’t I B.do I
C.is it D.isn’t it
Mother told me sound____slower than light.
A.traveled B.travel
C.travels D.traveling
—I have no idea____Mary will go shopping with us or not.
–I don’t know,either.
A.whether B.that
C.when D.how
Many people watched CCTV’s Dictation Assembly of Chinese Characters(汉字听写大会). It had a great ____on developing our native language.
A.decision B.style
C.influence D.chance
____is one of the four great inventions of ancient China.
A.Paper-making B.The train
C.The computer D.The car
People usually eat moon cakes and enjoy the moon_____the evening_____the Mid-Autumn Festival.
A.on; at B.in; of
C.in; at D.on;of
