－Bob, have you packed yet?

－Yes, Mum.

－Look over and       that you have taken everything you need.

A．look for

B．make sure

C．find out

D．work out

---      you      the film before?

----Yes, I      it last year.

A．Did ; see ; saw

B．Have ; saw; saw

C．Have; seen; saw

D．Have; seen; seen