---There a lot of traffic on the city roads. It’s hard to drive.
---Look out! Don’t drive too fast. You can never be too careful.
| A．are | B．is | C．have | D．has |
My uncle died ____ heart disease last summer.
| A．of | B．from | C．out | D．away |
Ryan made _____ his mind to study hard but he didn’t.
A. in B/ C. on D. up
What _____ are you guys doing? I am freaking out(我很不安).
A. in earth B in the earth C. on the earth D. on earth
We hadn’t plan to meet. We met ____ chance.
| A．of | B．in | C．for | D．by |
I was just talking to Margaret when Jackson ___.
| A．cut in | B．cut down | C．cut out | D．cut up |