— I’m not going swimming this afternoon.
— ______. I have to help my mother do some cleaning.
| A．So am I. | B．So I am. |
| C．Neither am I. | D．Neither I am. |
— Come and join us, Betty!
— I’m afraid I can’t. I’m too busy now. If I ______ time, I would certainly go.
| A．have | B．have had |
| C．will have | D．had |
Mike is ______, but his brother Sam is much ______.
| A．heavy; heavier | B．heavy; heaviest |
| C．heavier; heaviest | D．heavier; the heaviest |
Look! The police ______ the food onto the bank of the river.
| A．am carrying | B．is carrying |
| C．are carrying | D．are carried |
That’s ______ brother’s shirt. It isn’t _______.
| A．my, your | B．yours, mine |
| C．hers, his | D．his, yours |