After chatting on QQ a long time, Mary looked up, ________ that it was 11：00 pm, long past her usual bedtime.
| A．to see | B．saw |
| C．seeing | D．seen |
He had planned to make a compromise，buthe changed his mind at the last minute．
| A．therefore | B．otherwise | C．anyhow | D．somehow |
________ from the top of hill, the city looked like a big garden.
| A．Having seen | B．Seeing | C．To see | D．Seen |
Only when I left my parents for Italy ______ how much I loved them.
| A．I realized | B．I had realized | C．had I realized | D．did I realize |
He rushed as fast as he could, ______not to be late for class.
| A．to hope | B．being hoped | C．hope | D．hoping |
Nobody believed a 92-year-old man could run a marathon_______he passed the finishing line. People of all ages can challenge themselves.
| A．if | B．since | C．until | D．unless |