用括号中的词改写以下句子
1)We must be at the theater by 7 o'clock this evening(have to)
2)I think she is about 30years old (must)
3)He must come to the air port before10o'clock(hai gt to)
4)Must you tell everyone our secrets?(have to)
5)I think he is stupid to wear clothes like that!(must)
将下列句子变成一般疑问句
1)We had dinner at a restaurant last night
2)Frank has a shower every morning
3)Our teacher has got many books in his study
4)Ians has already had lunch
5)Frank and Jane always have a walk before breakfast