如图，若一次函数 y = - 2 x + b 的图象交 y 轴于点 A ( 0 , 3 ) ，则不等式 - 2 x + b > 0 的解集为 ( )
A． x > 3 2 B． x > 3 C． x < 3 2 D． x < 3
You ______ cross the street when the traffic lights are red．（ ）
needn't
don't have to
mustn't
I won't go home ______ the rain stops．（ ）
since
so
until
﹣Do you know ______ boy over there？
Yes，he is my brother，Li Lei．（ ）
the
an
a
Would you like to go to the movies with me this Sunday？
________．I'll be free that day．（ ）
Sorry，I can't．
Yes，I do．
Yes，I'd love to．
No，I wouldn't．
Thanks to the government，several new primary schools ________ in my hometown last year．（ ）
build
built
are built
were built
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