--- I didn’t believe you made such a mistake. ---Oh, I’m sorry. I did it ___________. I’m serious.
#26905
A
on purpose
B
by accident
C
by the way
D
as for
推荐题目
______ being fun and good exercise ,swimming is a very useful skill.
#25945
A
Apart from
B
Except
C
Except for
D
Except that
This also keeps the air,soil,water crops________ chemicals.
#25521
A
out of
B
out from
C
free of
D
rid of
 A friend of ______ went to the railway station to see ______.
#26217
A
Rebecca;her off
B
Rebecca; off her
C
Rebecca’s; her off
D
Rebecca’s; off her
This skirt is made ________ your mother ________ her own measure. 
#28603
A
for; to
B
for; for
C
to; to
D
for; by