问题
选择题
I don’t think ____ possible to master a foreign language without much memory work.
A．this
B．that
C．its
D．it
答案
答案：D
it作形式宾语，代指后文的不定式。
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I don’t think ____ possible to master a foreign language without much memory work.
A．this
B．that
C．its
D．it
答案：D
it作形式宾语，代指后文的不定式。