Old people must . [ ]A. be spoken to politely B. speak to poli

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Old people must         .     [     ]
A. be spoken to politely
B. speak to polite
C. be spoken politely
D. speak polite

答案

举一反三

Millions of trees            around our city every year. Our environment is getting better.  [     ]
A. are planting
B. were planted
C. planted
D. are planted

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Professor Yi Zhongtian _ to the Talk Show on CCTV-1 last weekend. [ ]

A. invites
B. invited
C. was invited

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Do you know when basketball             ?      [     ]
A. is invented
B. was invented
C. has invented
D. had invented

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Mike wasn"t at home yesterday. He       to  help with Jenny"s English.    [     ]
A. was asking
B. is asked
C. is asking
D. was asked

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-Who is the little baby in the photo, Susan?
-It"s me. This photo     ten years ago.      [      ]
A. takes
B. is taken
C. took
D. was taken

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