People often find themselves caught in such a _____ as “whether…or not…”.
#6369
A
dilemma
B
endeavor
C
fault
D
survival
推荐题目
_________ is a growing world problem, and nowadays the United Nations and its member countries _________hard to deal with it.
#6050
A
Desertification; are working
B
Desertified ; worked
C
Desert; work
D
Desertification; have worked
 Although we hadn’t met for twenty years, I recognized him ____ I saw him.
#7070
A
the moment
B
one moment
C
by the moment
D
for the moment
You have missed your______; please wait for the next round.
#6772
A
hope      
B
turn       
C
chance     
D
wish