There is still a ___________ doubt among them as to the practical value of the building.[ ]

ents don’t think I should take a course on law, yet I am determined totake .

Have we got any gas in the car?— It ______I’m afaid we can’t go much farther

_______did you tell him about the event ,Gina —By________ e-mail.

If you go by train， you can have quite ______comfortable journey， but make sure you take _____ fast one.