—What are ____ ? —____ are buses.
--__________ you see the traffic accident near the park yesterday? -- No, I didn’t.
It’s very difficult to learn geography well, but you can’t __________.
–Why isn’t your brother good at math? -- Because he thinks math is __________ than any other subject.
–What does your history teacher look like? . -- __________.
I ________ to do chores, but I have to do them every day.