Mistakes don’t just happen; they occur for a reason. Find out the reason, and then making the mistake becomes ______.
#18964
A
favorable
B
precious
C
essential
D
worthwhile
推荐题目
Though he is_______, he never feels_______. 
#19842
A
lonely; alone
B
lonely; lonely
C
alone; lonely
D
alone; alone
Mr. Smith,________of the ________speech,started to read a novel.
#18899
A
tired;boring
B
tiring;bored
C
tired;bored
D
tiring;boring
The thief hid himself in the corner,       .
#19133
A
was afraid of being caught
B
afraid of being caught
C
worried about caught
D
worrying about caught29.