Every one of us must know：________we live canwe save the earth.

The song ____My heart will go on is liked by the young people.

33There is probably no better way for a foreigner to appreciate the richness and variety of the English language ______ by studying the various ways in which Shakespeare used it

The speakers at the meeting agreed that the ways in which television can educate a person ____ almost infinite( 无限的) [ ]

―Why? Where is the key to the sound lab? ―Dear me! You _______ it in the taxi！