问题
选择题
I think _______ not difficult _______ English every morning.
A．that; keep reading
B．it’s; keep reading
C．that; to keep read
D．it; to keep reading
答案
答案：D
考查it作形式宾语。句中it作形式宾语，真正的宾语是不定式to keep reading。所以选D。