—Dad, must I finish my homework today?
—No, you ______. You may do it tomorrow.
| A．needn’t | B．mustn’t | C．don’t | D．won’t |
— Excuse me. Look at the sign “NO PHOTOS!” Please don’t take photos here.
— Sorry, Iit.
| A．don’t see | B．am not seeing | C．won’t see | D．didn’t see |
The light railways and subways make it ________ for people to travel around Chongqing.
| A．easily | B．difficult | C．easy | D．hard |
－___________ do you go to Old People’s Home?
－Twice a month.
| A．How long | B．How soon | C．How often | D．How many times |
－Mom, I’m leaving.
－It’s raining. You’d better ________ an umbrella with you.
| A．to take | B．take | C．not take | D．taking |
The city park will be cleaner ___________ people stop dropping litter here and there.
| A．while | B．if | C．unless | D．before |