— I’m afraid I can’t finish the book this week.
— ____.
| A．Please go ahead | B．That’s right |
| C．Not at all | D．Take your time |
______a nurse, she knew how to take care of a patient.
| A．Been | B．Being | C．To be | D．Be |
The______ look on his face suggested that he had passed the exam.
| A．exciting | B．tired | C．tiring | D．excited |
As a boy, he was_______ hard all day long.
| A．made to work | B．to make working | C．made working | D．to make work |
Many things _______ impossible in the past are common today.
| A．considering | B．to consider | C．considered | D．being considered |
I rushed there in a taxi only _______ the library_______.
| A．finding; closed | B．finding; shut | C．to find; close | D．to find; closed |