The reason______ he gave for being absent from school was ______ he had to attend his sick mother at home.
#73657
A
which; because
B
why; because
C
不填; that
D
why; that
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 I’ve already told you that I’m going to buy it, ________. 
#70057
A
how much does it cost
B
no matter how it costs
C
however does it cost much
D
however much it costs
 Please check the list carefully ________________ make mistakes.
#69416
A
so not as to
B
so as not to
C
so as to not
D
not so as to