1. People are living in ___ world where mouse clicks rule our life, so online searches have become _____ must.
A. the; / B. /; a C. a; a D. a; the
2. I really wonder _______ will stop Japan from its annual whale hunt in the Antarctic.
A. that it is what B. what it is that C. what is it that D. that is it what
3. It is hard to say what kind of person he is. Sometimes he
is very friendly; at other times he ___ be very cold.
A. can B. must C. will D. shall
