单选题
It is highly ______ that all postgraduate students keep a daily record of their reading as well as a personal journal.
A、
advise
B、
advised
C、
advising
D、
advisable
【正确答案】
D
【答案解析】
本句是“It is+形容词+that从句”的结构，故选形容词(D)advisable。
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