None of us was good at swimming, so the crossing of this dangerous river was really a_________.
#14440
A
motivation
B
symptom
C
conflict
D
challenge
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As we all know, health food usually doesn’t ____ too much fat.
#12595
A
include
B
involve
C
contain
D
consist of
Only then did I realize that it was foolish to ___ my friends and never contact them. 
#13214
A
break away from
B
catch up with
C
look away from
D
put up with
country
#13517
A
proud
B
shoulder
C
soup
D
trouble