―I wonder _______they are waiting.―At the bus stop.

Having been born on the earth, we had no choice but ________ hospitality it offered.

Jim wants to take part in the torch relay (火炬接力) of the 2012 Olympic Games.—________.[ ]

Surfing first started on the islands of Hawaii, didn’t it?–Yes, but now it ______ by people all over the world.

Let me tell you something about the journalists. —-Don’t you remember ______me the story yesterday?