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