12． About_______ of the workers in the factory were born in the __________．

A． two- thirds;1970

B． two- thirds ; 1970s

C． two-third ; 1970

D． two-third ; 1970s

[单选题]A．bout ________ of the workers in the factory were born in the ________.A．two-thirds, 1970 B.two-thirds, 1970s C.two-third,1970 D.two-third, 1970s

[单选题]12．A．toB．atC．forD．in

[单选题]12．A．bestB．betterC．goodD．bad

[单选题]12．A．lay in bedB． went to bedC．was in bedD． got to sleep

[单选题]12．A．one placeB．the placeC．placesD．the places

[单选题]12．A．chickenB．dogsC．chickensD．pigs

[单选题]12．A．can ．B．shouldC．mustD．need

[单选题]12．A．lot ofB． fewC． a little

[单选题]12．A． intellectual(聪明的 )B． luckyC． lovingD． shy

[单选题]12．A．speakB．tellC．sayD．call