The Smiths usually have supper at half past six(变为反意疑问句)The Smiths usually have supper at half past six,______ ______?

问题描述:

The Smiths usually have supper at half past six(变为反意疑问句)
The Smiths usually have supper at half past six,______ ______?

The Smiths usually have supper at half past six,don't they?

don't they?