Not until the motorbike looked almost new repairing and cleaning it.
| A．he stopped | B．did he stop | C．stopped he | D．he did stop |
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 |