题目

In our factory there are 2,000 workers, two thirds of ________ are women. 答案：whom two thirds of whom即two thirds of the 2,000 workers。关系词在从句中作介词of的宾语，因此用宾格whom。 He found them _________ at a table _________． [　　] A． seated; playing chess B． sitting; to play chess C． sat; to play chess D． seat; play the chess