Walter offered us a lift when he was leaving the office, but our work _______, we refused his offer.
| A．not finishing | B．had not been finished |
| C．not having finished | D．not finished |
I find it astonishing that he ____ be so rude to us. I _____ make a complaint to his company.
| A．could; must | B．should; shall | C．shall; should | D．dare; have to |
The farm as well as its neighboring hills we once spent so much time ___ a new look recently.
| A．on has taken | B．has taken | C．on having taking | D．having taken |
Information has been put forward _____ more middle school graduates will be admitted to universities.
| A．while | B．that | C．when | D．as |
——-We had a good time in dancing at a disco, why didn't you go with us?
——-I ________ there, but my parents didn't let me go.
| A．couldn't go | B．failed to go | C．hadn't gone | D．would have gone |
__________of danger in the street at night, she had to go home, with a friend_________ her.
| A．Warned, followed | B．Warning, following |
| C．Having warned, following | D．Having been warned, following |