Will you get there by _____ train- No, I’ll take _ taxi.
As nobody here knows what is wrong with the machine, we must send for an engineer to _________ the problem.
I think you should go back to your _____ plan, which is much more practical than the present one.
We have just heard a warning on the radio _____________ a typhoon may be on its way
The boy would have died, _______ on him without delay.