All of us should _______our teachers as well as our parents.

Who is the woman _____ a red sweater? —She’s my sister.[ ]

How do you find this film? – It is the best film.

Have you ever seen a panda , Linda?—Yes , I just saw _________at the zoo last Sunday .

_____you do, don’t miss this exhibition, for it’s so hard for me to get the tickets.