______ smoking, he would not have got cancer in the lung.
| A．Was he given up | B．Had he given up |
| C．Did he give | D．If he gave up |
On Sundays there were a lot of children playing in the park, _______ parents were seated together joking.
| A．their | B．whose | C．which | D．that |
. “Mike is not coming to the football game this afternoon.” “It’s a shame！ He _______！”
| A．promises | B．promised |
| C．will promise | D．had promised |
He had a lot of friends, only a few of ______ invited to his wedding.
| A．whom | B．them | C．which | D．who |
“John took a photograph of you just now.” “Oh, really？ I ______.”
| A．didn’t know | B．wasn’t knowing |
| C．don’t know | D．haven’t known |
The buses, most of _______ were already full, were surrounded by an angry crowd.
| A．that | B．it | C．them | D．which |