问题

__ was not until the early 20th century_ the importance of his ideas was realized.

A:What that
B:It that
C:That so
D:It when

正确答案是：

同类题型

have been agreat _____ to my parents in those hard days, for I never failed to live up totheir expectations.

I’d like to arrive 20 minutes early ________I can have time for a cup of tea.

The boy was in the water and his canoe was_______ away

After her son died in a car accident, the old lady would sit at the window, ______ out and _______ in thought.

Huge quantities of fresh water ______there since the serious drought in the southern parts of China