Everyone says that he is difficult to _______，but I don’t think so.

The number of the students in our grade _______about six ______, ______ of them are girls.

I want to return the book to John, but I can’t find him.–He­­­­______ the library. You can find him there.

Is this ______ dictionary?—No, ______ isn’t. It’s ______ dictionary.

Liu Lei _______watch baseball games, but now he doesn’tlike it any more.