---Dad, I'm confused what I am going to do after graduation. ---You'd better first explore your talents and get to know yourself so as to find out __________ your real interests lie.
You mean I was absent? No! I ______at noon and I have been in the office since.
Well, I really don’t know what you mean, ______ you want me to do?
Thank you for your hard work last week. I don’t think we _______ it without you.
Suddenly a good idea occurred to her, but she couldn’t find any paper ______.
Thailand has decided to begin building its first standard-gauge railways in cooperation with China, ______may cost $12.2 billion.