She wants to have good grades, _____ she doesn’t want to work hard.
| A．but | B．so | C．although | D．because |
___ now on, I will learn English in the mornings.
| A．Since | B．From | C．After | D．At |
They are doing much better ___ Math ___ the help of their teacher.
| A．in; with | B．in; at | C．with; with | D．on; at |
South Korea is ___ the east of China.
| A．in | B．to | C．on | D．at |
The pupils will go to the museum ___ foot and come back ___ bus.
| A．by; in | B．on; by | C．on; on | D．by; by |
—There are so many cars on the road. You should obey the traffic rules and go ___the zebra.
—OK. I will follow your advice.
A. cross B. across C. through D, around