— Would you like to go to the hospital to help the sick kids this Sunday?
— _______. I’ll be free then.
| A．Sorry, I can’t | B．Not at all |
| C．Thank you | D．Sure, I’d love to |
---Which club would you like to join, art club or basketball?
--- _______ is OK. I’m good at them.
| A．Neither | B．Either | C．Both | D．All |
---Will there be more trees?
--- ______. I think we’ll have a more beautiful world in the future.
| A．Yes, there are | B．Yes, there will |
| C．No, there aren’t | D．No, there won’t. |
—Excuse me! Look at the sign __________ on the wall, please.
—Sorry. I won’t take photos any more. 
—Mary can't help ______ the house. Why?
—Because she is busy______ a hotel reservation.
A. cleaning; makingB.to clean; makingC. cleaning; to make
—Sorry, I can’t go to the theater with you ____ next Saturday, because I have ____ homework to do.
—It doesn’t matter.
A. on; too muchB. /; much too C. /; too much