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【单选题】
下列循环语句中有语法错误的是( )A.
while(x=y) x=5;
B.
while(0); w=7;
C.
do y=2; while(x==b)
D.
do x++; while(x==10);
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举一反三
【单选题】When you cross the street, you can never be ______ careful.
A.
much
B.
very
C.
too
D.
so
【单选题】You should be __________ when you cross the street.
A.
quiet
B.
easy
C.
careful
D.
hard
【单选题】When you cross the street, you can never be _______ careful.
A.
too
B.
very
C.
much
D.
so
【单选题】You _____ be careful when you cross here --- the traffic lights aren’t working.
A.
could
B.
might
C.
ought to
D.
may
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