I think this is ______ useful book.
#32697
A
a
B
an
C
the
D
/
推荐题目
Don't make____________same mistake for the second time in____________day.
#33074
A
the; a
B
a; a
C
the; the
D
a; the
—_____ do you go to the zoo with your brother?—Three times a month.
#32758
A
How long
B
How often
C
How old
D
How much
--- --Who won _______prize for the “Most Beautiful Nature”photography? ------______18-year-old girl.
#32904
A
the; A
B
a; A
C
the; An
D
a; An