Human facial expressions differ from those of animals in the degree ___ they can be controlled on purpose.
A.with which B.to which
C.of which D.for which
—What do you think we can do for our aged parents?
—You ___ do anything except to be with them and be yourself.
A.don’t have to B.oughtn’t to
C.mustn’t D.can’t
Leonardo da Vinci(1452-1519) ___ birds kept in cages in order to have the pleasure of setting them free.
A.is said to be buying
B.is said to have bought
C.had said to buy
D.has said to have bought
It is not who is right but what is right ___ is of importance.
A.which B.it
C.that D.this
—Now let’s move on to another topic.Do you follow me?
—_______,Professor.
A.No,I am not B.Yes,I will
C.No,I haven’t D.Yes,perfectly
The children went home from the grammar school,their lessons ___ for the day.
A.finishing B.finished
C.had finished D.were finished
