1 . It was in the small house _______ was built with stones by his father _______ he spent his childhood.

A．which; that

B．that; which

C．where; that

D．that; where

2 . It was only after experiencing the failure________ he began to train seriously and he won the championship in the 400-metcr freestyle a year later.

A．when

B．whether

C．that

D．which

3 . I can’ t quite remember _______ you started taking a walk after supper.

A．that was it how

B．was it whether that

C．when it was that

D．why was it that

4 . According to economics, money flows to ________ it is that controls the scarce thing, say, the cutting-edge knowledge.

A．whom

B．whomever

C．who

D．whoever

5 . It was in the supermarket ______ she went shopping yesterday ______ she came across her idol.

A．that, when

B．where, when

C．where, that

D．that, that

7 . It was not until she arrived at the cinema ______she remembered her appointment with the doctor.

A．where

B．when

C．that

D．and

9 . The research team are still working hard to figure out ________.

A．it was what that caused the disease	B．what it was that caused the disease
C．what was it that caused the disease	D．that it was what caused the disease

10 . I must find out ______ so many students made the same mistake.

A．why it was that	B．why was it that
C．it was why that	D．was it why that