No one knows when such a custom first _____.
| A．came into power | B．came into being |
| C．came true | D．came out |
It is not rare in that people in fifties were going to university for further education．
| A．90s; the | B．the 90s；/ | C．90s; their | D．the 90s; their |
The mother who lost her son insisted that the careless driver for the traffic accident ___ yesterday .
| A．was to blame ; happening | B．be to blame ; happened |
| C．be blamed ; was happened | D．was to blame; had happened |
I usually don’t wake up until my alarm _______ every morning.
| A．switches off | B．gives up | C．puts up | D．goes off |
It was after careful consideration ________we decided to take action.
| A．which | B．that | C．why | D．when |
Eventually, the President had to leave office_____ public pressure in order to ease the tension of the situation.
| A．in favor of | B．in response to | C．in return for | D．in honour of |