He was unable to ________ to the students what he meant.
| A．get through | B．get across |
| C．get down | D．get around |
His mother was born in Greece, and Greek was her native language, ___.
| A．so it was with his father | B．so did his father | C．so was his father | D．so his father was |
While reading, you’d better make a mark ___ you have any questions.
| A．on which | B．at which | C．the place where | D．where |
Don’t keep your mouth ___ if you want to improve your spoken English.
| A．shut | B．shutting | C．shutted | D．to shut |
My classmate, Li Ming, was highly praised for ___ a good deed.
| A．doing | B．have done | C．having done | D．being done |
Sunglasses can ___ us from strong sunlight.
A. hold B. prevent C. protect D, make