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
Don’t be too ________ about things you are not supposed to know.
#19735
A
strange
B
amusing
C
curious
D
conscious
This cake is ________ that one. Which of the following is wrong? 
#20368
A
three times the size of
B
three times so big as
C
three times bigger than
D
one third as big as
Because of the heavy snow, the village was not __________.
#19331
A
acceptable
B
affordable
C
accessible
D
available
 I haven’t seen______ this since I collected stamps.
#20461
A
as beautiful a stamp as
B
so anbeautiful stamp as
C
stamp as beautiful as
D
as anbeautiful stamp a