John is the only one of the students in the class that never ______ a mistake even when it is pointed to him.
| A．admit making |
| B．admits making |
| C．admit to make |
| D．admits make |
If you had finished your homework yesterday, you _____ home now.
| A．will go | B．would go | C．would have gone | D．go |
_____ doesn’t seem to have been any trouble in solving the problem.
| A．It | B．That | C．There | D．He |
Is it in the factory ______ you visited last week ______ this kind of car is made?
| A．/; that | B．where; when | C．where; that | D．/;when |
________ that I was a regular visitor, the servant let me in.
| A．Having seen | B．Seen | C．Seeing | D．To see |
David and Jack, _____so much alike each other, were often considered _____ twin brothers.
| A．looking; to be | B．looking; being | C．looked; to be | D．being looked; being |