d you find your visit to Qingdao, Joanna

The importance of saving gas ______ be stressed too much. Automobiles use up some 70 billion gallons of gas a year.[ ]

Isthere anything else I can get for you except the book— No. That _____ be it. Thanks a lot.

Before long he______ the shortcoming of being shallow and having prejudice, even against hisold companions.

Who’s this man in the picture — _______.