They went to the Great Wall ______ vacation last year.[ ]

Tom wants to know if you ___ a picnic next Sunday.—Yes. But if it ___， we’ll visit the museum instead.

how was your weekend? —- Great! It was my grandfather’s _______ birthday. We enjoyed ourselves.

Must I finish the paper tonight? —No, you _______ finish it tomorrow.

She wants _____ meat. [ ]