A cat, ______ it is a white one ______ a black one, is considered to be a good cat as long as it can catch mice. 
#55577
A
both; and
B
not only; but also
C
either; or
D
whether; or
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_______ he did well, he was never top of his class.
#55253
A
Although
B
But
C
Because
D
Since
—Look! Lily and Sally are cleaning the school laboratory.—Let’s go and join them.       .
#55123
A
Many hands make light work
B
The early bird catches the worm
C
A friend in need is a friend indeed
D
The grass is always greener on the other side