We worked all night, _____ for the coming procession. 

The patent officer ______ with my file explained to me that a plant variety is not a/an _______ invention as it is a result of adjusting growth scientifically.

This is the only way that I can think of _______ the problem of water waste in urban areas.

___ delicious, some western foods are very inviting but not good for children’s health.

Now that there are still some problems remaining ______, we have to work extra hours tonight.