Many workers were organized to clear away ________ remained of the World Trade Center.
| A．those | B．that |
| C．what | D．where |
—Hello, John. This is Alice. I’m calling from work. How’s your mother feeling?
— . Mum is out of hospital, but she has to stay in bed for a few more days.
| A．You’re welcome |
| B．That was thoughtful of you |
| C．What a pleasure |
| D．By all means |
—Shall we go for a picnic on Saturday or Sunday?
— Either time is OK with me.
| A．It depends. | B．Up to you. | C．Why not? | D．Don’t mention it. |
—I must leave right now by bike instead of waiting for a taxi.
—Well, The ground is still quite wet.
| A．good idea! | B．go ahead. |
| C．have a nice trip. | D．take care. |
—Please accept my apology for taking your umbrella by mistake.
— It can happen to anyone.
| A．Oh, that’s all right. |
| B．What have you done with my umbrella? |
| C．Where is my umbrella? |
| D．Don’t do that again. |
—Would you like to join us in the walk?
— , for I have two important letters to answer.
| A．I won’t | B．I’d like to |
| C．I will | D．I’m afraid not |