－You’ve dropped __________ “s” in the word “across”.－Oh, you are right, __________ letter “s” should be doubled like this “cross”.
#32593
A
a, a
B
an, a
C
an, the
D
the, a
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---Do your parents have the same hobby?---No．My father likes playing____ football while my mother enjoys playing _____piano．
#32541
A
／；the
B
／；／
C
the；／
D
the；the
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