Why are you so anxious? It isn’t your problem ______.

A. on purpose       B. in all      C. on time      D. after all

 Running a company is not ______ a matter of hiring people — they also need to be trained.

A. simply      B. partly      C. seriously       D. equally

 Everything was perfect for the picnic ______ the weather.

A. in place of      B. as well as      C. except for      D. in case of

 Don’t promise anything ______ you are one hundred percent sure.

A. whether      B. after     C. how     D. unless

 Dogs have a very good ______ of smell and are often used to search for survivors in an earthquake.

A. sense       B. view      C. means       D. idea

 American Indian ______ about five percent of the U.S. population.

A. fill up       B. bring up      C. make up       D. set up

 It is one of the funniest things ______ on the Internet so far this year.

A. finding     B. being found       C. to find      D. found

 There are plenty of jobs ______ in the western part of the country.

A. present        B. available       C. precious        D. convenient

 You ______ be hungry already — you had lunch only two hours ago!

A. wouldn’t       B. can’t       C. mustn’t         D. needn’t

 ______that he was in great danger, Eric walked deeper into the forest.

A. Not realized      B. Not to realize       C. Not realizing        D. Not to have realized