It’s polite to ________others when people ask you a question.
They were ________ busy ________ with each other ________ the time.
Tell me ______________.
Ifyouwanttobuyanexpensivecamera,wehaveseveralmodelsforyou________.
The cleaners should not be looked down on and they are angels of the city _________.
—Would you like to play tennis with me _________ it doesn’t rain tomorrow? —Sure, _________ I am busy.