As you wander through the streets, you see thousands of masks but you have no idea_____ the faces behind them look like.
| A． which | B．what | C． that | D．how |
— ________
—Er…I want to buy my wife a gift for Christmas, but I don’t know what she would like.
| A．What are you looking for, sir? | B．Welcome to our store, sir. |
| C．May I help you, sir? | D．What on earth do you want, sir? |
—Have a nice weekend!
— ________.
| A．Sure, I will | B．I’m afraid I won’t |
| C．All right | D．Thanks. You too! |
— ________ ?
—I said, “Do you need any help?”
—That’s very nice of you. I guess I could use some help.
| A．What seems to be the problem | B．I beg your pardon |
| C．Repeat | D．And what |
—Would you mind if I use your telephone?
— ________. Help yourself.
| A．Not at all | B．Certainly |
| C．No, I wouldn’t | D．OK |
— ________.
—Yes?
—May I sit here?
| A．Madam | B．Please |
| C．Sorry | D．Excuse me |