1 . It was not until the teacher had told him___________ he realized his mistakes. (用适当的词填空)

2 . Was it in the village ______ we used to live in ______ the accident happened?

A．that; where

B．which; that

C．where; that

D．which; where

3 . It is in this very town, __________Tom was born 40 years ago, __________he will build a new school, __________excites everyone in the town.

A．that; that; which

B．that; where; that

C．where; that; which

D．where; when; that

4 . It was not ______ she took off her dark glasses ______ I realized she was a famous film star.

A．when; that

B．until; that

C．until; when

D．when; then

5 . 直到他听了那个讲座才意识到自己对于该领域的知识是如此的匮乏。(It)

6 . —I wonder ______ made some students give up this year’s college entrance exam.
—Perhaps the present situation of employment.

A．what was it that

B．what it was that

C．what was that it

D．what was that

7 . It is with your generous help_________I will adapt to the college life as soon as possible. (根据句意填空)

8 . Bach died in 1750, but it was not until the early 19^th century __________ his musical gift was fully recognized.

A．when

B．which

C．that

D．how

9 . It is through years of research ________ scientists have discovered the relationship between social media addiction and depression.

A．since

B．before

C．that

D．when

10 . It is in Canada, where Doctor Bethune was born,         the story of the book takes place.

A．where

B．when

C．that

D．which