. ______ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.
| A．When | B．As | C．While | D．Before |
She seems_happy in her new job since there is nothing troublesome to bother her.
| A．generally | B．flexibly | C．reasonably | D．deliberately |
The recent research attempts tothe effectiveness of different drugs used for the new virus.
| A．cover | B．guarantee | C．estimate | D．evaluate |
It isfor all drivers not to drive after drinking, otherwise, they would be put into jail.
| A．compulsory | B．satisfactory | C．unwilling | D．demanding |
The manager demanded that the report of the committee be printed without any.
| A．consequence | B．delay | C．deadline | D．commitment |
His carelessness may well his failure in the final interview.
| A．account for | B．submit to | C．allow for | D．subscribe to |