Alice be at school because she phoned me from her home a minute ago.
He likes playing ______ guitar but he doesn’t like playing _____ soccer.
---Is there______ “f” and _______ “u” in the word “four”? ---Yes, there is.
Our monitor always helps other students ____ their lessons and he never says any bad words _____ others.
Students in the USA spend time their homework than we do.
Chinese students have _________ weeks ______the summer holiday than American students.