___________ there a map and two posters on the wall— Sorry, I don’t know.

Please make sure that no details _____ before you deliver a speech

eople believe that hunger is only aproblem in the developing world. ______, it is a problem all over the world.

Susan is always ready to help me________ I come to ask her for help [ ]

Show us around the room ___ Premier Zhou once worked, will you?