Bob isn't to open the door.中间怎么填

Bob isn't to open the door.中间怎么填 Bob isn't good at math,but he tries ____________ hard求解此空是填working还是to work. 改祈使句 The window isn't clean The door isn'tshut The wardrobe isn't open ____ isn't hot ,please open the window. _____the shop isn't open on Sundays.(usual) isn't open/ doesn't open怎样判断用哪个,看清楚啊,不是两者的区别isn't open/ doesn't open 例句：the swiming pool -----(not open)we can't go toswim.要解析 34.– Who else will come to the party besides Bob and Jack?-- John ______ come,but he isn’t very34.– Who else will come to the party besides Bob and Jack?-- John ______ come,but he isn’t very sure. Is Bob your brother?A.no,it isn't.B.no,he isn't.C.no,she isn't.选择哪个更恰当 为什么啊 …… --It isn't windy enough for there ( ) a sandstorm now.Do you mind the window being open?--yes.It isn't a little cold.到底是being还是to be? Don't open the door ,____hedoesn't isn't does is TO see is to believe,isn't Bob!Is this your dictionary?No,it isn't.Ask Sally.She is looking for____ Bob!Is this your dictionary?No,it isn't.Ask Sally.She is looking for____ 【--It isn't windy enough for there ( ) a sandstorm now.Do you mind the window being open?--It isn't windy enough for there ( ) a sandstorm now.Do you mind the window being open?.being.to be为什么选to beshe used to be a girl used to making jokes Lucy isn't coming th stay with us for the weekend.The guest room___.A.needm't to be cleaned B.doesn't need clearing C.needs not to be cleaned D.needn't cleaning为什么选B well ,he isn't an elephant can step on a coconut shell,break it ____and not crush the insidesA open B to open C opened D opening 为什么选A?按一楼的说，那break后面可以加什么词 school _____ at weekends.A.isn't opened B.doesn't open 选哪个? nice to meet you. what is your name?nice to meet you.what is your name?my name is eris.l am lily.no,he isn't bob.is hos shirt blue?his shirt is blue.