The TV sets made by our factory sell best, but 10 years ago no one could have gu
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The TV sets made by our factory sell best, but 10 years ago no one could have guessed the place in the markets that they _______.
A.were having
B.had had
C.were to have
D.had
试题答案
C
“be to + 动词原形”表示将来。