—The dress looks nice . Is it silk?
—Yes. Besides, it’s hand.
| A．made of, made in | B．made of, made by |
| C．made for , made in | D．made for , made by |
I think _____ very important for students to study by themselves in the school or at home.
A. it B. this C. that
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