The foreigners find _____difficult to learn Chinese well.
Science is really _______ useful sucject although it is very difficult.
—__________ feels sad sometimes. —Yes, it’s normal to feel sad when something bad happens to us.
—Tom read the passage and found
—He was afraid of ________ in public. —But now he feels a little more confident.
—The summer vacation is coming in a few days. I’ll share the holiday with my daughter by traveling. —____