_ to smoking for a considerably long time, he has much difficulty quitting it.

. Tracy has gone abroad for further study. It ____ be her. The girl you saw yesterday is her sister.

His efforts to raise money for his program were ________ because no one showed any intention to take a cent out of their pockets.[ ]

We prefer______ alone rather than__________

The great _____ to living on a main road isthe constant noise.