划线提问there are (20 boys) in the room原题：there are (20 boys) in the room划线提问,( )( )( )( )( )in the room?是（20 boys) 而不是（20），请再帮我思考

We are singing over there (划线提问) there are red apples.划线提问 划线的为five Ben and Lucy are fishing there对划线there提问 There are ten bookson the desk.(对划线部分提问 下There are ten books划线) There are 20 desks in our ciassroom(划线提问 一般疑问句 肯定回答)20话线 There are （69 ）teachers in our school.划线提问 there are many people in the park.划线提问 -------- There are ____some desks ______in the room.划线部分提问 There are some rulers on the desk.(划线提问) there are (about fifteen million people) in beijing划线提问 there are -thirty--- students in the ciass.对划线提问 就划线部分提问There are three apples there are (two) balls on the floor划线提问 There are some pens (in the pencil case) 划线提问 there are arms,arm画线,对划线部分提问. There are 7 teachers in the office(划线提问） - There pears are sweet.(sweet划线提问） （There are some ducks ）in the river.划线提问