Researchers have found clear and convincing evidence ________ happiness is
the key to better health and longer lives.
A. where B. whether C. how D. that
—Dad, dad! My head hurts so much. I think I’m dying.
—________, darling! The doctor says you will feel better soon.
A. That will do B. There, there C. Hi, there D. So long
Comparison may make something appear more beautiful than it is when ______ alone.
A. to see B. seeing C. is seen D. seen
Jessica has always been honest and straightforward, and it doesn’t matter ________ that she’s talking to.
A. who is it B. who it is C. it is who D. it is whom
According to the original design, the plant would be able to _______ at least 8,000 pianos a year.
A. bring out B. take out C. put out D. work out
Young children are often advised not to spoil their appetite by eating sweets ________ the three meals.
A. among B. during C. between D. through
