As we all know, _______ mankind has realized the walk in ______ space.
#9664
A
the; the
B
/; the
C
/; /
D
the; /
推荐题目
According to a new survey carried out by an American university, learning______ second language can result in_______ increase in the power to learn your native tongue.
#10239
A
a; the
B
不填; the
C
a; an
D
the; an
Susan, ______ university student from Europe, teaches me ______ art in her spare time.
#8211
A
an; /
B
a; the
C
an; the
D
a; /
In _____world, where computers rule our work and life, online searches have become _____necessity.
#9138
A
a, a
B
a, the
C
the, a
D
the, /