【正文】
mail 單數(shù)一致,故選C. 1. 90題 21 A library with five thousand books____ to the nation as a gift. A. is offered B. has offered C. are offered D. have offered 2. 89題 27 Not only I but also Jane and Mary ____ tired of having one examination after another. A. is B. are C. am D. be 3. 87題 15 All but one ____ here just now. A. is C. has been D. were 答案 Multiple choice: 1. On the wall______ two large portra