6.Mary _______ be at home.I saw her in the building just now.A mustn’t.B.needn’t C.can’t为什么是C,不是A吗

Mary with her brother _______ (be) at home.答案这个题,应该填is还是are啊? 6.Mary _______ be at home.I saw her in the building just now.A mustn’t.B.needn’t C.can’t为什么是C,不是A吗 This pair of old sports shoes _______ (be) Mary's 关于have to句型1.Mary has to ______(wear) her uniform at school.2.Tom and Mona have to _______(be) in bed by 10:00.3.What about _______(take) a walk after the party?4.Thank you for _______(join) our talk show,Alan.5.You don't have to _______(ask) 根据句意,用括号内所给单词的适当形式填空.1._______(be) that your sister?2._______(it) are oranges.3.Are these boys your _______(friend)?4.Linda has(有) three _______(brother).5.This _______(be) Mike and that ______(be)Mary.6.Who __ What ______ Mary _______?(do) She ______ (look) at a picture. Hi, Mike, Mary wants to _______ with you and she is waiting at her office. 组句 Mary linda and at the dairy at the dairy be the day before yesterday Mary runs every morning.She wants to be a good _______(run). Mary used to be very friendly.(对画线部分提问)画线部分为very friendly_______ did Mary use to _______ _______ 66．Mary has lunch at home.(改为一般疑问句) ________ Mary _______ lunch at home?67．There are som I _______(be) good at Maths,but Jim ____(be) good at English. 一,动词的适当形式填空 1.What have I done _______（deserve) this?It is Mary who should be fired!2.Do you smell something ________(burn)?3.She stopped at the door,_______ (knock)for a while,and then left.二 选择1.________from his looks,he Mary Linda and at the dairy be the day before yesterday (连词成句） Hurry up,Mary _______for us at the station.A.must be waiting B.must wait Mary can't be here .she-----------(do)her homework at home Mary and I ——（be） good at English.用单词的恰当形式. Mary can _______ (swim) well, she is also good at skating.求答案,解析,越详细越好.谢谢.