Only with this         can you solve the problem.
#5684
A
way
B
means
C
approach
D
method
推荐题目
After years of research, he found the key ____ differences between species.
#5237
A
to explain
B
to explaining
C
of explaining
D
explaining
Mis Smith is a friens of ___.
#6799
A
Mary’s mother’s
B
Mary’s mother
C
Marys’ mother
D
Mother’s of Mary
She is in a poor ______of health,which worries her mother much.
#7284
A
position
B
situation
C
state
D
condition