I will think about how Stephen Hawking managed to live a normal life and made great achievements _______my life feels unbearable．

I had no choice his advice though I wasn’t willing to go with him.

There is __________ “u” and __________ “n” in the word“unhappy”.

Her mother and father found all this rather hard but eventually accepted her choices, ______ she was happy.

Why did Tom go to bed so late yesterday—Because his homework _______ on time.