There were dirty marks on her trousers __________she had wiped her hands.
| A．where | B．which | C．when | D．that |
Being examined twice a year is the rule that every driver _____ obey in this city.
| A．shall | B．can | C．ought to | D．need |
I’m calling to ask for information about the position____ in the local TV news.
| A．advertising | B．advertised |
| C．having advertised | D．to advertise |
It has been proved ____ several new kinds of medicine____ a positive effect on the cure of H7N9.
| A．which，has | B．if, has |
| C．that, have | D．what, have |
It was the middle of the night_____ my father woke me up and told me to watch the football game.
| A．that | B．as | C．which | D．when |
Absent for the traffic accident, I have always doubted he announced at the meeting.
| A．what was it that | B．that it was what |
| C．what it was that | D．that was it what |