We can’t work out the physics problem. Can you tell us ________?
Don’t shout to the boy. It __________rude.
--__________ 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? . -- __________.