Question

——Do you have any idea when the project will be carried out?
—No, but I have heard that it was not until last month _______ it was approved.

A．that

B．when

C．since

D．before

Answer 1

A

试题分析：句意：—你知道那个项目什么时候将被执行?—不知道,但我听说过,直到上个月才批准。强调句的结构：it was +强调的内容+that+剩余内容。not until last month是被强调的内容。故选A。
考点：