When familiar guests meet each other, a greeting with a friendly smiling, nodding or shaking hands is usually a decent way to show your good manners.（)

发生火情时，客人们能用电梯吗？

A.Can guests use the stairs when a fire appears？

B.Can guests use the elevators when a fire presents？

C.Can guests use the lifts when a fire occurs？

D.Can guests use the ladders when a fire breaks up？

They found all the guests _____ when they woke up.

A gone

B go

C going

They found all the guests()when they woke up.

A. gone

B. going

C. go

At a dinner, you can begin to eat

A、when the guests sitting beside you begin.

B、when the hostess says, "Let's begin."

C、when the main course is served.

D、when the hostess picks up her own spoon or fork..

A.panicked

B.mimicked

C.picnicked

D.trafficked

A.bellboy

B.housekeeping staff

C.doorman

D.maintenance staff

A.exist

B.happen

C.occur

D.ake place