It was the A/N1H1 epidemic spread almost throughout the country闂傚倷鑳堕崑銊╁磿婵犳碍鍤堢憸鐗堝笒閻掑灚銇勯幒鎴敾閻庢熬鎷�查看更多

 

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It was the A/N1H1 epidemic ____ spread almost throughout the country ____ promoted the research and production of the flu vaccine.

A. that…that          B. that…which       C. what…that        D. that…what

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It was the A/N1H1 epidemic ____ spread almost throughout the country ____ promoted the research and production of the flu vaccine.

A.that…that         B.that…which            C.what…that         D.that…what

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It was the A/N1H1 epidemic ____ spread almost throughout the country ____ promoted the research and production of the flu vaccine.

A. that…that          B. that…which       C. what…that        D. that…what

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 It was the A/N1H1 epidemic ____ spread almost throughout the country ____ promoted the research and production of the flu vaccine.

A. that…that       B. that…which  C. what…that       D. that…what

 

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闂傚倷鑳舵灙濡ょ姴绻橀獮蹇涙晸閿燂拷 闂傚倸鍊搁崐鎼佸磻婵犲洤绠柨鐕傛嫹