1 . What puzzles Lily's friends is ________ she always has so many crazy ideas.

A．whether

B．why

C．what

D．when

2 . （2018· 北京）This is _________ my father has taught me—to always face difficulties and hope for the best.

A．how	B．which
C．that	D．what

3 . He studied hard and later became a well-known writer, which was ______ his father had expected.

A．why

B．how

C．that

D．what

4 . I’ll ask the teacher about the subjunctive mood______I’m very puzzled about; and that’s also ______ most of our classmates have doubt.

A．which; what

B．why; that

C．which; where

D．that; how

6 . One reason for her preference for this school is ________, as she put it, it can provide for her future development.

A．which

B．what

C．that

D．this

7 . The place        the bridge is supposed to be built should be         the cross-river traffic is the heaviest.

A．which, that	B．at which,where
C．at which,that	D．where, in which

8 . When I was a little boy, the dinner on the eve of Spring Festival was ______ I looked forward to most.

A．that

B．what

C．which

D．when