There is _________"o" and _________ "1" in the word "bowl".
#34611
A
a; a
B
a; an
C
an; a
D
an; an
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It’s going to rain.You should take   umbrella.
#32933
A
a    
B
an    
C
the    
D
/
I seldom take _______bus to school. I always go to school by _______bike.
#33013
A
a;不填
B
不填;a
C
a;the
D
不填:the