By no means ___to your parents.
A．is this the first time you are lying
B．this is the first time you have lied
C．this is the first time you tell a lie
D．is this the first time you have lied
We_______on this project for four hours. Let’s have a rest.
A．are working B．have been working C．worked D．had worked
Many people believe we are heading for environmental disaster _____ we basically change the way we live.
A．but B．although C．unless D．once
She longed for a pleasant trip in the summer, while her parents desired that she_______ at home, preparing for the coming exam..
A．stay B．stays C．must stay D．would stay
Jack has made great achievements in his work, and the harder he works, the more _________ he becomes.
A．religious B．energetic C．curious D．independent
This depends upon he is interested in doing this kind of work.
A．if B．whether C．that D．what
