-- Sally, you must introduce your friend ___________ me.
-- OK, I will.
| A．for | B．to | C．at | D．in |
— Is Bill from Cuba ?
—______ . He is from Canada.
| A．/ | B．No. |
| C．Yes, he isn’t. | D．Yes, he is. |
— Goodbye, Miss Zhao.
—________ .
| A．Thanks. | B．Thank you. |
| C．Bye. | D．How are you? |
— How _____ you , Miss Gao?
— I ______ fine, thanks.
| A．are ; am | B．is ; am |
| C．am ; are | D．am ; is |
— Welcome to China!
— _________ .
| A．Thank you. | B．Hello! |
| C．Welcome. | D．How do you do? |
—Do I need to take any medicine?
—Yes. _______twice a day.
| A．Take two pills | B．Take some pill |
| C．Bring two pills | D．Bring some pill |