There is long way to go for scientists to study _____space.
#33850
A
a
B
an
C
the
D
/
推荐题目
There will be ___________ new shopping mall in the south-east of Xinghua town this year.
#32439
A
a
B
an
C
the
D
/
—Do you know _______ man in jeans?—Yes. He’s a professor of _______ university.
#32155
A
the ; a
B
a ; an
C
the ; an
D
/ ; the