If you want to book tickets for the 2012 Olympic Games, just call 00952012. It        _______ be simpler.
#87605
A
mustn’t
B
won’t
C
needn’t
D
couldn’t
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If we had taken such effective measures much earlier, the river ________ so seriously now.
#86813
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted
 With everything she _______, she went home.
#87870
A
needed to buy
B
needed buying
C
needed buy
D
needed bought