l was at the camp的一般疑问句

l was at the camp的一般疑问句 l was at the church 改成一般疑问句 I was (at a camp) last week.否定句、一般疑问句、提问 l was in the room at seven o clock(否定句,一般疑问句及两种回答） I was at the greengrocer 's (变成一般疑问句) I WAS AT THE GREENGROCER'S.变为一般疑问句 I was at the museum yesterday.改为一般疑问句 I was at the science muzeum.变为一般疑问句 I was happy at the party.（改为一般疑问句） l was in the office. 改为一般疑问句 l was in the play ground改成一般疑问句 He went to the summer camp yesterday(改为一般疑问句)