—Hey, Jack. You ________ on the phone just now. But you weren’t here and the man left a phone number.
—Oh? I was in the library.
| A．wanted | B．are wanted |
| C．were wanted | D．have wanted |
— Who’s that lovely girl?
— You mean ______ girl with long hair? That’s Kate.
| A．a | B．an | C．the | D．不填 |
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