__ has your friend been to the Great Wall?—Twice.[ ]

Mum ________ to us, “Be quiet! Your little sister’s sleeping.”

Tina had nothing for supper, ___ she?—___ . She had some bread and milk.

This blue shirt doesn’t fit you．I think that black one_______good________you．

Bill, can I use your dictionary? I left mine at home.—Of course you________. Glad to help you.