It is my responsibility as a parent to have some say in ___ books my children will read at school.
A.whatever    
B.kind of        
C.what
D.which

I can’t remember ___ people were killed in the explosion, but it was quite a few.
A.how much
B.how many
C.how long
D. how often

___ the results of this study show is ____ happier people live longer, healthier lives; so it is important to try to think positively about everything in life.
A.How - who
B.What - that
C.Which - how much
D.When - how long

___ he is the son of a wealthy senator helped him get into the prestigious university, because his grades weren’t good enough for him to qualify on his own.
A.How
B.Whether or not
C.The fact that
D.What

It’s going to be a long journey, ___ we travel, because we can only take the plane as far as the nearest airport, which is more than 200 miles away from the area, and then we will have to take the coach.
A.how far

how long
B.however
C.how long
D.how much

Her career was all ___ she cared about, ___ made her so successful.
A.what - which
B.what - that
C.that - that
D.that - which

The guy from the service department showed me ___ to operate the machine, but I don’t remember ___ this knob is for.
A.why - which
B.how - what
C.whom - when
D.when - how

Many psychological problems experienced during the Vietnam War by American soldiers were caused by the fact that many young men were not sure exactly ___ they were fighting for.
A.why
B.how
C.where
D.what

Our experts agree that one tenth ___ the terrorists put into the parcel would have blown up the judge’s car.
A.of what
B.of that
C.which
D.of that what

Wait a minute, Susan! We cannot allow the pupils to read ___ they would pick themselves. They would end up with science fiction and cheap love stories.
A.only that what
B.just what    
C.just which
D.only that