—_____chapter in Oxford English often consists of four parts．—That’s right．And this chapter mainly talks about _____environmental problems．
#34575
A
The；an
B
An；the
C
the；the
D
A；the
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Most people think that English is ___________ useful language, but some students think it’s ___________ unimportant subject.
#33549
A
a, an
B
a, a
C
an, an
D
an, a
Lee Min-ho is actor from South Korea. He sang Chinese pop song on the2014 CCTV New Year’s Gala.
#32083
A
the； an
B
/; the
C
an； a
D
a; /