seven o'clock,
may
You can sit up a little longer to-night to finish your lessons if you are much interrupted while I am away . '' `` You are sure you will not be more than an hour , mother ? '' `` Oh , certain . '' `` And I suppose in any case I may shut up the shop at seven o'clock , may n't I ? '' `` Shut the shop at seven o'clock ! '' said Mrs. Hopkins . `` You forget that this is Wednesday .