It's time she（ ）to be courteous.
A、
learn
B、
will learn
C、
learns
D、
learned
【正确答案】：D
【题目解析】：
根据句型：it is (high) time sb. did sth.，句意：该是她学会礼貌的时候了。故选D。
It's time she（ ）to be courteous.
It's time she（ ）to be courteous.
learn
will learn
learns
learned
根据句型：it is (high) time sb. did sth.，句意：该是她学会礼貌的时候了。故选D。