—What does this sign mean, Miss Chen?—Oh, it says that we ________take photos here.A. needn’t B. may not C. mustn’t
I don’t like science because it is not interesting .
---What day is it today ? ---It’s the first day of the week .
How much is the sweater ?
--Let’ t go for a walk . --- That sounds good .
She has a lot of books , but she has not many bookshelves .