Only when I left home to go to college ___ how much my mother had done for me.

It is well-known that humans differ _____ other mammals in their ability to speak.[ ]

really Can Doris read through it in such a short time — She covered the English novel ______ it took me, still less a simple story

―Look! It looks as if it _______ going to rainWe must hurry.―OK

The cake ______delicious