When I called you this morning,nobody answered the phone.Where ______?
A.did you go B.have you gone
C.were you D.had you been
—Do you have any idea what Paul does all day?
—As I know,he spends at least as much time playing as he ______.
A.writes B.does writing
C.is writing D.does write
She’s having a lot of trouble with the new computer,but she doesn’t know whom to ______.
A.turn to B.look for
C.deal with D.talk about
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
