There aren’t many seats left for the concert; you had better make sure ____ two today.
The scientists are now trying to discover that use could be _________ such material.
The idea puzzled me so much that I stopped for a few seconds to try to _________.
---–What a pity! I’ve not got a ticket for the football match. -----Don’t worry. It’ll be broadcast ________.
He accidentally __________ he had quarreled with his wife and that he hadn’t been home for a couple of weeks.
The great success of the program has been _________ due to the support given by the local businessmen.