当别人对你说“Let’s go running!”，你不想去可以说：
A. Sorry, I can’t.
B.OK, let’s go.
C. That’s a good idea.
—Is this your room?
—______
A．Yes, this is.B．No, this isn't.C．No, it isn't.
—Let ________ clean the classroom.
—Good idea.
A．weB．usC．she
—Can you water the flowers?
—________
A．Yes, I can.B．Yes, I do.C．Yes, I am.
He can________. He's great.
A．to wash the clothesB．washing the clothes C．wash the clothes
—What ______ she do on Sundays?
—She often washes the clothes.
A．doesB．canC．do