—Could we go and watch the football game?
—No, ________you have the tickets.
| A．if | B．unless |
| C．because | D．since |
The tour guide has made the route for the school trip. We don't need to_______ that.
| A．be worried about | B．be afraid of |
| C．be sorry for | D．be terrified of |
—How do you communicate with your foreign friends?
—________writing emails, of course.
| A．With | B．By | C．At | D．From |
—Could you tell me how to remember new words quickly?
—Yes, I think a ________tree can help you a lot.
| A．grammar | B．equation |
| C．punctuation | D．vocabulary |
— Mom, I was the first to reach the top of the mountain.
— Good job, Charlie. I’m______ of you.
| A．tired | B．proud |
| C．sure | D．pride |