—Is there a path in the village?
—No, ______isn't.
A．itB．thereC．they
—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