-Would you mind if I take the seat?
- .
A．Yes, sit down, please B．Surely, never mind
C．No, not at all D．No, you can’t take it
The bell rang and came in Mr.Brown, a book in his hand. Then the class began.
A．for B．when C．with D．while
In the past 5 years a great deal of money _____ improving the environment of the school.
A. is spent B. has been spent C. was spent D. had been spent
China has been working very hard to stop the endangered animals ______ .
A. dying out B. dying away C. dying down D. dying hard
I ______their method of making the machine .
A. adopted B. voted C. elected D. commanded
The blues has been _____part of African-American culture since then, and it is still ______ important part of American culture.
A. a; a B. / ; an C. the ; a D. / ; a
