Attractive ________ the device might seem, “my wife has already done that by herself” was a common response after people seeing it when it was introduced on show this week. 

       is no need      

 I didn’t manage to do it _____ you had explained how.

“It isn’t the first time I ________ at home,” he said frankly.

If you don’t study hard, you’ll regret, _____ you?