I’d appreciate        if you could turn the radio down. I’m doing my homework.

I’d appreciate        if you could turn the radio down. I’m doing my homework.

A．you              B．that              C．this              D．it

I’d appreciate         if you could turn the radio down. I’m doing my homework.

  A. you   B. that  C. this       D. it

I’d appreciate        if you could turn the radio down. I’m doing my homework.

1. A.
   you
2. B.
   that
3. C.
   this
4. D.
   it