下图中,表示陕西省的是[ ]
A、
B、
C、
D、
答案:D
式子2x-5的值小于0,则x的取值范围是( )。
My sister met him at the Grand Theatre yesterday afternoon, so he ________ your lecture. [ ]
A. couldn’t have attended
B. needn’t have attended
C. mustn’t have attended
D. shouldn’t have attended