—______ will the fog and haze last?
—I’ve no idea. There is no sign of an end.
| A．How soon | B．How far |
| C．How long | D．How often |
---Shall we go shopping?
---Good idea! But the supermarket _______ now.
| A．is open | B．is closed |
| C．opens | D．closes |
Do you think Maths ______ useful subject?
| A．is a | B．is an |
| C．are a | D．are an |
---______ Mary happy today?
---I don’t think so. She ______ look happy this morning.
| A．Is, isn’t | B．Is, doesn’t |
| C．Does, doesn’t | D．Does, isn’t |
______ is the first day of a week.
| A．Saturday | B．Sunday | C．Monday | D．Friday |
---Who’s that man ______a white shirt? ---He is Mr. Wu.
| A．for | B．at | C．in | D．on |