Susan made______ clear to me that she wished to make a new life for herself. 

—Do you think playing cards is beneficial to our study?—No，if ________，it can help us kill time when we have nothing to do.

---Is there anything I can do for you? ---I’m looking for a book,      written by Han Han.

You'd better not read today's newspaper because there is _____in it.

Determination is a kind of basic quality and this is what________ takes to do jobs well.