Sally, a shy girl, never speaks in public _______ she is asked to, never!
| A．until | B．unless | C．even though | D．as though |
It is not rare inthat people infifties 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 accidentyesterday .
| A．was to blame ; happening | B．be to blame ; happened |
| C．be blamed ; was happened | D．was to blame; had happened |
---Have you been to the National Theatre?
---No, but I’ve bought two tickets for the concert to be given this weekend.
| A．yet | B．even | C．ever | D．already |
My ______ of tomorrow’s activity is going out for a picnic with my classmates. 
| A．opinion | B．thought | C．mind | D．idea |
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 honor of |