问题
选择题
72. For many days I have been trying to ______ what it is that makes Jack so angry.
A．carry out
B．figure out
C．watch out
D．make out
答案
B
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72. For many days I have been trying to ______ what it is that makes Jack so angry.
A．carry out
B．figure out
C．watch out
D．make out
B