---Do you have my phone number?
---Yes. But I can’t find it now. I’m afraid I __________it.
A. lost B. have lost C. lost
My cousin Mary was born ＿＿＿ a singing voice.
A.from B.in C.with
--How do you learn English?
--I learn English ＿＿＿ practicing conversations with friends.
A.on B.by C.in
—You look very worried. ________ ?
—My mother suddenly got ill yesterday.
| A．Can I ask a favour? | B．Hoe do you do? |
| C．How are you? | D．What’s up? |
I found _____ necessary to save energy and protect the environment.
| A．that | B．this | C．it | D．one |
In our city, _____ middle school students want to work as a teacher in the future.
| A．thousand | B．thousand of |
| C．thousands of | D．two thousands of |