问题

When did your cousin begin to show his interest in medicine?—It was a Saturday ___ she noticed her uncle experimenting on a frog in his lab

A:that
B:what
C:when
D:which

正确答案是：

同类题型

Only ticketholders were ________ to the stadium for the concert given by Jay Chou, so many of his fans were turned away

对下面考官的言外之意，分析正确的一项是考官：你成绩优秀，直率单纯，将来很有前途，可我们的工作需要与形形色色的人打交道。

Tom was late for class this morning again—You know, _______

He glanced at the note，_______andwent on with the meeting

Before you quit your job, ______how your family would feel about your decision. [ ]