As we all know．____life is hard for any of us. If we live___ happy life，we must all work harder.
#10447
A
／：／
B
／；a
C
a；／
D
a；a
推荐题目
When it comes to bringing up children, some people say _____ discipline produces _____ happy, well-behaved child.
#10312
A
a; the
B
/; a
C
a; a
D
/; the
What _______ pity that you must leave now! It is such _______ great fun to have dinner with you
#8300
A
a; a
B
a; the
C
/; a
D
a; /
In science fiction we read of flying saucers travel through _____ space, so people want to have ______ better knowledge of the universe.
#10403
A
the; a
B
/; /
C
the; /
D
/; a