Pollution is a serious problem. Scientists have _______ some good ways to save it.
| A．come up with | B．come on | C．come out | D．come up |
I visited ____ European country named Italy last summer vacation.
A. a B. an C. The
－Let’s go to the movies.
－. Let’s go.
| A．Not much. | B．I’m afraid I can’t. |
| C．Sounds great. | D．It sounds boring. |
There ___ an eraser and some books on the desk.
| A．is | B．have | C．are | D．has |
—________ do you go to work every day?
—Take a bus.
| A．How far | B．How long | C．How | D．How much |
Can we ________ in the classroom?
| A．to eat | B．eat | C．eating | D．eats |