The ______ of air and water makes it impossible to live on the moon.
#13795
A
presence
B
absence
C
dependence
D
evidence
推荐题目
Please wait here. I’ll be back in _____ hours.
#14490
A
two and half an
B
two and a half
C
half and two
D
two a half
We bought the house for its ________. It is very near the shop where I work.
#11159
A
character
B
value
C
convenience
D
construction
 —Can I call on her next week ?— Yes,if ______ . 
#12411
A
you are convenient
B
you will be convenient
C
it is convenient to you
D
it will be convenient to you