Five million, five hundred and fifteen thousand ,one hundred and fifty-one is _____.
| A．5,515,151 | B．5,151,151 |
| C．5,151,515 | D．5,551,155 |
Wang Fan , could you give us ______ on how to learn English _______?\
A. some advices, good
B. any advices , well
C. some advice , well
Everyone knows that a desk is made __ wood and paper is made__ wood too.
A. of , of B. of , from C. from, of
I’ m sure I can make myself _____, because I have improved my English greatly.
A. understand B. understanding C. Understood
The river has become much ______ than before because of the waste water.
A. dirty B. dirtier C. Dirtiest
----Do you know how the accident _______?
----Sorry, I don’t know.
A. come out
B. come into being
C. come about