Had it been possible I would have gone to the movies but I _____ busy.
| A．had been | B．am | C．was | D．would be |
Mrs. White showed her student some old maps _________from the library.
| A．to borrow | B．to be borrowed |
| C．borrowed | D．borrowing |
She smiled happily，________ a set of amazing white teeth to us.
| A．exposing | B．being exposed |
| C．exposed | D．to expose |
John Snow found that the polluted water was _________ for the outbreak of cholera.
| A．to blame | B．to be blamed | C．blamed | D．blaming |
--Good afternoon. Can I help you?
--My bike is broken. I’d like to have it______, sir.
| A．repaired | B．repairing |
| C．to repair | D．to be repaired |
________by the beauty of nature, the girl from London decided to spend another two days on the farm.
| A．Attracting | B．Attracted |
| C．To be attracted | D．Having attracted |