—Who broke the window yesterday?— ______ Jack ______ Mike. It was Jim.
Beijing ______a lot in the past ten years. Now it has become one of the biggest modern______ in the world.
Sometimes playing computer games can ______ students’ study.
— I don’t know the new word. — It doesn’t matter, you can ______ in the dictionary.
We teachers should ______ students ______ us questions in class.
— I have trouble ______ my new computer. — Don’t worry. I will show you ______.