Political parties often differ in their views on various _____ concerning their own countries.
When asked to explain ________ made his lessons so exciting, the teacher kept silent.
Whenever a natural disaster happens, we should offer ____ help we could to those victims.
—May I speak to your manager at 4:00 this afternoon? —Sorry, sir. He ________ to a meeting soon.
Though having lived abroad for years, many Chinese stillthe traditional customs.
—I’m not good at table tennis, you know. — We’re playing for fun. Just try and you’ll see you can do it.