问题
选择题
23. Please ask ________ not to skate on the thin ice. It’s very dangerous.
A．they
B．them
C．their
D．Theirs
答案
答案：B
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23. Please ask ________ not to skate on the thin ice. It’s very dangerous.
A．they
B．them
C．their
D．Theirs
答案：B