---Have you heard of Earth Day?
--- Yes, We have only one Earth. We have no choice but ________ it.
| A．protect | B．protected | C．protecting | D．to protect |
--- Would you like to go swimming with me?
--- , but I must finish my homework first.
| A．I’d like to | B．Yes, let’s go | C．No, I won’t | D．It doesn’t matter |
We don’t allow ______in the cinema. But you are allowed ______in the rest room.
| A．smoking, smoking | B．smoke, smoking |
| C．smoking, to smoke | D．to smoke, to smoke |
people came to the Great Wall during May Day Holiday.
| A．Million | B．Millions of | C．Million of | D．Ten millions |
Look! There are so many eating grass on the hill.
| A．horse | B．cow | C．rabbit | D．sheep |
—Do you know girl with long hair?
--- Yes, she is a teacher of university.
| A．an; a | B．the, a | C．the, an | D．a; an |