This morning I have _______ art lesson. Art is _______ useful subject.
#33421
A
a; a
B
an; an
C
a; an
D
an; a
推荐题目
Doing lots of listening practice is one of ________ best ways of becoming ________ good language learner.
#32081
A
the; the
B
the; a
C
不填; a
D
the; 不填
