To keep safe _______ an earthquake, you should remain at a spot in your room where nothing may fall on you.

To keep safe _______ an earthquake, you should remain at a spot in your room where nothing may fall on you

1. A.
   in search of
2. B.
   in advance of
3. C.
   in terms of
4. D.
   in case of

Keep your passwords safe: Most on-line sites ________ a user name and password before placing an order.

1. A.
   suggest
2. B.
   request
3. C.
   require
4. D.
   ask