---How do you study English?
--- _____ watching English movies.
| A．Of | B．From | C．By | D．To |
The baby is sleeping. Please__the radio.
A. turn on B. him down C. turn up
We will climb the 
mounta
in tomorrow_it doesn't rain.
A. if B. although C. since
Boys and girls, the books in the library should______ g
ood care of.
A. take B. are taking C. be taken
-Where's your father, Tom? -He__to Changsha.
A. goes B. went C. has gone
Li Na is_______ tennis player in China now.
A. most famous B. the most famous C. more famous