Our school _________ be an old shoe factory, now we ___________studying here. It is a good place to study.
| A．used to , used to | B．is used to , are used to | C．is used to, used to | D． used to, are used to |
Could you please tell me_?
A. why does the earth go around the sun
B. why the earth goes around the sun
C. why the earth went around the sun
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