下面四个数中比－2小的数是（ ）
A．1
B．0
C．－1
D．－3
答案：D
比－2小的数是－3，故选D。
若点A（2，a）关于x轴的对称点是B（b，-3）则ab的值是（ ）。
He wanted to know ___ the English party.
A．when will we have
B．when we will have
C．when would we have
D．when we should have
