It was ______ back home after the experiment.
| A． not until midnight did he go | B． until midnight that he didn’t go |
| C． not until midnight that he went | D． until midnight when he didn’t go |
The ______ look on the student’s face suggested that your ______ question made him ______.
| A．puzzling; puzzled; puzzled | B．puzzling; puzzling; puzzled |
| C．puzzled; puzzled; puzzling | D．puzzled; puzzling; puzzled |
Only ______ as an interpreter ______ how important it was to grasp English.
| A．when I worked; did I realize | B．when did I work; I realized |
| C．when I worked; I realized | D．when did I work; did I realize |
Jack has had no______ experience of this kind of job，but he got the job offer just due to his honesty.
| A．obvious | B．cautious | C．previous | D．precious |
With everything______, the manager left for England to attend an important business meeting.
| A．arranging | B．to be arranged | C．to arrange | D．arranged |
They produced two reports, ______ of which contained any useful suggestions.
| A．neither | B．either | C．all | D．none |