e came back three hours later, theywere still ____on the sofa, _____ in conversation.

Experts say walking is one of the best ways for a person to _____ healthy.

k John will make a good monitor, ________ I’d like to vote for him.

I’d love to join in your visit to a local museum today, but I’m on a very tight ________ -I’ve got a lot of work to do today.

It seems that oil______from this pipe for some time.We’ll have to take the machine apart to put it right