Question

I think _______ not difficult _______ English every morning.

1. A.
   that; keep reading
2. B.
   it’s; keep reading
3. C.
   that; to keep read
4. D.
   it; to keep reading

Answer 1

D
解析：
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。