— Do you know when the technology for hybrid rice to the United State
题型:河北省期末题难度:来源:
— Do you know when the technology for hybrid rice to the United States? — Yes. In 1980. |
[ ] |
A. introduced B. introduces C. is introducing D. was introduced |
答案
D |
举一反三
— Where is Betty? — She ______ on the playground half an hour ago. |
[ ] |
A. sees B. saw C. is seen D. was seen |
Don"t worry. All the children by the nurses. |
[ ] |
A. are well taken care of B. take good care of C. are taken good care of D. take good care |
— Do you know Winter Oympic Games? — Sure. Once Winter Olympics ______ the White Olympics. |
[ ] |
A. call B. called C. was called |
Old people must ______. |
[ ] |
A. be spoken to politely B. speak to polite C. be spoken politely D. speak polite |
— What"s wrong with your uncle, Jack? — He is ill. A doctor ______. |
[ ] |
A. has to look for B. is being operated on C. must ask for D. has just been sent for |
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