问题

Einstein, for _____ life had once been very hard, wassuccessful later in science

A:What badmanners they are
B:How badmanners they are
C:What badmanners it is
D:How badmanners it is

正确答案是：

同类题型

Scientists are convinced _____ the positive effect of laughter _____ physical and mental health.[ ]

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there were too many stones on the roads, the soldiers (战士) walked to Lushan County in Ya’an Earthquake.

Tom’s brother’s birthday is ___________ November 25th.

They have leading experts in this field，and that’s __________ they’ve made important progress