问题

It was not until the scientist died________we appreciatedthe true significance of his discoveries.[ ]

A:after
B:before
C:when
D:that

正确答案是：

同类题型

Is _____some German friends visited last week? [ ]

Which is your teacher—The one________thick（厚的）glasses over his eyes．

The girl arranged to have piano lessons atthe training centre with her sister________she would stay for an hour

We need to “spread a little happiness”, _______ the song goes

What a heavy rain! Will it last long— ______ . We are getting into the raining season now.