What will people die of in 100 years? If you think that is a simple question, you ______ attention to the revolution taking place in biotechnology.
He doesn’t spend any more money on clothing than I do, but ______ he manages to look so stylish.
When electric cars become ______ , we’ll need to build more charging stations.
With your help, there is no doubt ______ our plan is meant for will work out successfully.
Unless ______ , we’ll have to shut down some branch companies for lack of money.