. ---- How long ____ at this job?
---- Since 1990.
| A．were you employed | B．have you been employed |
| C．had you been employed | D．will you be employed |
One of the most important problems we will have to solve is ____of students’ learning method.
| A．that | B．this | C．what | D．Which |
The house is nice, but ______ too small for a family of five.
| A．rarely | B．fairly | C．rather | D．Pretty |
______ from what he said, he must be the thief who has stolen the car.
| A．Judging | B．Judged | C．To judge | D．Judge |
They were surprised that a child could work out the problem ______ they themselves couldn’t.
| A．once | B．while | C．then | D．If |
--- I hear Jane has gone to the Holy Island for her holiday.
--- Oh, how nice! Do you know when she ______ ?
| A．was leaving | B．had left | C．has left | D．Left |