Occasions are quite rare ____ I have the time to spend a day with my kids.
| A．who | B．which | C．why | D．when |
Many buildings in the city need repairing, but the one ______first is the library.
| A．repaired | B．being repaired | C．repairing | D．to be repaired |
The news shocked the public, _______to great concern about students’ safety at school.
| A．having led | B．led | C．leading | D．to lead |
I'm calling to enquire about the position in yesterday's China Daily.
| A．advertised | B．to be advertised | C．advertising | D．having advertised |
at my classmates' faces, I read the same excitement in their eyes.
| A．Looking | B．Look | C．To look | D．Looked |
Alexander tried to get his work _______in the medical circles.
| A．torecognize | B．recognizing | C．recognize | D．recognized |