用is或are完成下列句子。1. There ____________an air-conditioner in the living-room.
2. There____________ two end tables near the bed.
3. There ____________ a phone and two cups on the desk.
4. There ____________ some books and a toy car on the shelf.
5. There ____________ 60 students in my classroom.1. is 2. are 3. is 4. are 5. are