Thank you for giving up your coffee break to help.I know you always need_____after three classes.

A. that   B. one  C. it  D. this

Thank you for giving up your coffee break to help.I know you always need_____after three classes.

A. that   B. one  C. it  D. this

Thank you for giving up your coffee break to help. I know you always need _________after three classes.

 A．that        B．one  C．it   D．this

Thank you for giving up your coffee break to help. I know you always need _________after three classes.

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

Thank you for giving up your coffee break to help. I know you always need _________after three classes.