While intelligent people can often ______ the complex, a fool is more likely to complicate the simple.

Butterflies ________ a sweet liquid produced by flowers, which bees and other insects collect.

 He made a good preparation for the job interview, for he couldn't ________ losing the good opportunity.

This is a newly developed software from which your computer can      .

 Our English teacher often tells us that the meaning of a new word may be   ________    according to the given context.