问题
选择题
I like __________in the early morning when the air is fresh and I can take a walk around the garden.
A．that
B．it
C．which
D．what
答案
答案：B
考查it作为形式宾语。代替的是in the early morning.介词短语不可充当宾语，故用it来代替。when引导的是定语从句。