— Why is your bedroom so dirty?— Sorry, Mum. It ___________. I felt very tired after playing soccer.
I don’t know if he ________ tomorrow. If he ________ here, I will call you .
David is taller than ________ in his class.
—— Our team has won a gold medal. ——_______ news! Let’s tell our teacher about _______ news quickly.
I like history very much _________ it is interesting. A.but B. or C. because
--Who is Tony? -- It is my classmate. _______ are in the same class--Class 3. A. We B. He C. Our