Come and see me whenever .
He’s got himself into a dangerous situation______he is likely to lose control over the plane.
____ printed, this science fiction will be popular among the students.
The manager commanded that the work ____ finished by the end of this month.
Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly.
The leader of the factory told us that very little ___was made of the waste material in the past.