—Which of these two dictionaries will you buy？ —I'll buy _____ ,for the different uses.  

----Which would you like , tea or coffee ?  ----_________ is OK. I don’t mind.

 I’ll make ____ easier for you to understand by explaining it again in Chinese.

Forty percent of the students in our class are boys, ____are girls.

We all think _________ impossible that he should be so impolite.