－What are these?－They are_________.

 - Mr Li is said to be very patient with his students. - Yes. But it's really a hard_______ for him to control a class of young children.

—Where are you going, James?—I want to do some shopping. I’m going to the________.

 She is ________. She likes ______ lessons. 

—Jim, which _________do you like best?—I like geography best.