The new invention made last month would have a variety of _______ in industry.

Mike was usually so careful，________this time he made a small mistake. 

To make members of a team perform better, the trainer first of all has to know their ______ and weaknesses． 

— Look, where are you going?— I can’t ________ the map and drive at the same time, can I?

Malaysia Airlines Flight MH370 seemed to have been ______ to only a mystery after so long and hopeless a search．