______Sunday morning Xiaoming gets up_______ half past six.
Millie often helps Sandy _______ her Physics, and she also shares his school things _______ her.
China is one of ______ countries in the world.
Our monitor always helps other students ____ their lessons and he never says any bad words _____ others.
Students in the USA spendtime their homework than we do.
Chinese students have _________ weeks ______the summer holiday than American students.