---How much are the black socks?
--- .
| A．It’s 10 yuan | B．It’s 10 yuans |
| C．They’re 10 yuan | D．They’re 10 yuans |
—I think she should stop wearing those silly earrings.
—________. I like those earrings. She looks so cool.
A. I disagree.
B. I think so.
C. I agree.
This dictionary must belong to ________.Because I saw him using it yesterday.
A .Tom’s B.TomC Mary
Are you afraid of _____ alone?
A. sleep B. to sleep C. Sleeping
—Where’s Bill ?
—He ________ in the office. I saw him playing basketball on the playground just now.
A. can’t be B. must be C. can be
Basketball was invented by ______ Canadian doctor named James Naismith.
A. a B. an C. The