The training session has been changed from 9:00 _____ 10:00.

A. at
B. to
C. in
D. by

I was astonished _____ his failure.

A. In
B. At
C. On
D. For

You can’t always pass ______ appearance.

A. Down
B. By
C. Into
D. Of

He is superior _____me?

A. To
B. than
C. With
D. from

Books are a great source _______ happiness.

A. of
B. for
C. on
D. with

The jug is full ____ milk?

A. of
B. about
C. by
D. with

He was walking along the wall. Along is___?

A. conjunction
B. Interjection
C. Preposition
D. None of These

I was amazed _____ his misbehavior.

A. with
B. in
C. for
D. at

What has happened ____ him?

A. to
B. in
C. upon
D. for

Smoking is injurious _____ health.

A. of
B. to
C. from
D. fo