You’d better let each student read his own tastes and choices.

Tom often goes to the beach on vacation,_____­­­­­____

Do you think a radio is useful in learning English—Sure. A radio can _____ listening English songs and reports.

There will be ______ red-crowned cranes in the world if we don’t protect them.

I can’t find Xiao Ping. Where did you see him this morning?— In the reading room _________ he often studies in.