10. She was so angry at ______ he was doing ________ she stayed up all night.
A. that; that B. that; which
C. what; that D. what; as
After three days' waiting, there was a little doubt in the mother's mind _______ the police could find her lost child.
A. how B. that
C. where D. whether
Nowadays people become more practical and buy only _______ they need.
A. where B. which
C. when D. what
The reason ______he didn't come was ______he was ill.
A. why; that B. that; why
C. for that; that D. for which; what
_____manners are very important in every country is known to all,but the trouble is that different countries have different ideas about ______good manners are.
A. That;what B. That;that
C. What;that D. What;what
Dogs have a very good ______ of smell and are often used to search for survivors in an earthquake.
A. sense B. view C. means D. idea