— What's the population ____ the U.S.A?— The U.S.A has ____ population of 297 million.
#27937
A
of…a
B
of… /,
C
in…a
D
in … some
推荐题目
I have some _________ in working out the problem.
#27940
A
difficulty
B
difficulties
C
troubles
D
difficult
Millie is one of my best and she is a girl.
#29122
A
friends, friend
B
friend, friendly
C
friends, friendly
D
friendly, friend
----What color is _____ hair? ----I think ______ black.
#28547
A
Janes’, its
B
Janes, it’s
C
Jane’s, it’s
D
Jane’s, its
Your parents’ parents are your _________.
#29288
A
father and mother
B
grandparents
C
grandpa
D
cousin