问题

Mary _______ her mother with the housework, but she didn’t.

A:must have helped
B:ought to have helped
C:must help
D:should help

正确答案是：

同类题型

n began to rise in the sky, ________ themountain in golden light.

依次填入下面语段横线处的关联词语，最恰当的一项是（）泸州油纸伞作为一项民间工艺，太追求时尚，失去了油纸伞本身的文化韵味，在保留传统工艺的基础上，融入现代文化元素，会拥有更多的消费者，开拓更广阔的市场空间。

Hurry up! Alice and Sue are waiting for you at theschool gate — Oh! I thought they _____ without me

初次认识某人, 你对他说的问候语应该是:________

Be sure to get there on time, _____ you? — Of course, we _____.