The title of Scientist Tomorrow comes to David—a really ____ man who always comes up with unique ideas.

______ the sound on the step, the boy rushed out tosee if his mother had come back.

rade caused me $500 worth of loss. –Pity! You didn’t listen to my advice;otherwise, you _________.

Don’t argue ____your brother.He is young.

The expected results he had worked hard seemed hopeless to him .