It was a long time before the police________what he was really doing.
#105179
A
caught hold of
B
caught up
C
caught on to
D
caught at
推荐题目
As I ________the house,I noticed a light upstairs. 
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A
entered into
B
attached
C
appealed
D
approached
4.It is said that the early European playing-cards ____ for entertainment and education. 
#105262
A
were being designed
B
have designed
C
have been designed
D
were designed