Read the sentence. the university usually has students attending from other countries. which word belongs in the blank? less lesser few fewer

few

Explanation:

Less and Fewer for comparisons, which is clearly not the case here. Lesser is supposed to indicate quality. One of the definitions is "not so great or important as the other or the rest". Which is most likely not the case. In a university, foreign students are a minority, which fits perfectly with the use of few, which means: "a small number of".

he will find out what went wrong or happened and how.