(单选题)
They have decided to make ______ a rule to turn off the lights at 10:00 p.m.
A.that
B.this
C.one
D.it
参考答案:D
参考解析:
考查人称代词it的用法。句意:他们决定规定晚上10点关灯。make it a rule to do意为“将……的情形变成一种规则”,make为不及物动词,此处it做形式宾语,“to turn off the lights at 10:00 p. m.”才是真正的宾语,故选D。
知识点:
