19.Three fourths of the bread _____ by Bob,and the rest of the bread _____ left on the table.

19.Three fourths of the bread _____ by Bob,and the rest of the bread _____ left on the table.
A.was eaten/were B.were eaten/was
C.were eaten/were D.was eaten/was
　20.This pair of shoes _____.
A.is her B.is hers　C.are hers D.are her
21.There ______ no life on the moon.
A.is said to have B.are said to have
C.is said to be D.are said to be
22.A group of ______ are eating ______ and ______ at the foot of the hill
A.sheep; grass; leaves B.sheeps grasses leaves
C.sheep;grass leaf D.sheeps grass leafs
23.My family raise a lot of _______,including two______.
A.cattles cows B.cows cattle C.cattle cows D.cow,cattles
24.What he says and what he does_______.
A.does not agree B.do not agree C.does not agree with D.not agree