Every boy and every girl ______ that each day and each hour brings ______ duty.
#86212
A
know；their
B
knows；their
C
knows；its
D
know；its
推荐题目
The number of the students in our school _________ 600, but a number of students _________ living in the school.
#44125
A
is, like
B
is, likes
C
are , like
D
are, likes
---What ____ the population of China ? ---China has a population of 1.3 ____.
#86163
A
is, billions
B
are; billions
C
is; billion
D
are; billion
Over 20% of the students at that school _____ the habit of smoking, which is beyond imagination.
#85637
A
is
B
are
C
has
D
have