The party will start at 7:00 sharp. Come earlier!— _______. Thanks for your mention.

Mum, I got the first prize in the competition.— , Jack!

Checking your answers before handing in your paper can help you mistakes.

The door is low, so ______ your head when you go in.

It sounds like something is wrong with the car’s engine. ________, we’d better take it to the garage immediately.