A.appetite
B.architect
C.appreciate
D.arable

A.insight
B.chemist
C.dependent
D.substance

I had to look up the number in the telephone (direction) ______
A.direction
B.directly
C.directory
D.directors

This is very (convenient) ______! Can't you practice your violin somewhere else?
A.convenient
B.conveniently
C.inconvenient
D.convenience

He wanted to know where ______.
A.had I been
B.I had been
C.did I been
D.I been going

______(29)
A.where
B.what
C.when
D.how

He offered to give me a (demonstrate) ______ of how the machine worked.
A.demonstrator
B.demonstration
C.demonstrate
D.demonstrative

They're going to announce their (decide) ______ tomorrow.
A.decision
B.indecisive
C.decide
D.decidedness

Why does everybody (critic) ______ him all the time?
A.criticize
B.critic
C.criticism
D.critical

It is the high time John understands how to behave properly towards the old men.
A.high
B.understands
C.how to
D.towards