The doctor ______ she sent her friend is very famous.
| A．to whom | B．to whose | C．whom | D．at whom |
—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 |