--- Did I lock the door when I went out?
--- Yes, you did. I saw you _____ it.
| A．locking | B．lock |
| C．to lock | D．locked |
---Will people live to be 300 years old? ---__________.
| A．No, they aren’t | B．No, they won’t |
| C．No, they don’t | D．No, they can’t |
Which picture means “The young lady is having a good sleep.”?
—Young kids shouldn’t go swimming alone.
—__________. It’s too dangerous.
| A．You’re welcome | B．It doesn’t matter |
| C．I agree with you | D．I don’t think so |
—Could you tell me__________? I will meet you at the airport.
—At 10:00 am.
| A．what time will you arrive | B．what time you will arrive |
| C．what your flight number is | D．what is your flight number |
I am sure I will do it well __________you give me this chance.
| A．if | B．before | C．until | D．though |