You can’t be ______ when you camp _____ a high altitude, ________ the air is thin. 
#19622
A
enough careful; at; which
B
too careful; at; where
C
careful enough; on;at which
D
too careful; on; that
推荐题目
Mike is _______ boy.
#34849
A
one 11-years-old
B
one 11-years old
C
one-11-year-old
D
an 11-year-old
How ____ the music sounds and how _____ her voice is!
#20453
A
sweet; good
B
sweetly; well
C
sweet; well
D
sweetly; good