–You’ve got a stomachache? But we ate at the same place. How come my stomach is fine? --You have an iron stomach! Mine isn’t ___ strong. 

—Are you satisfied with what he has done?—Not in the least. It couldn’t be     .

—Hey, Mike. An Indian man recently sang for 80 hours straight, setting a new Guinness world record.—Really? It’s really a(an) __________ feat(本事).

When the man with a scar came into the café I noticed a  ______ look come over the waitress face although she did not say anything.

It seems quite   to expect a student to master 3000 words within only 2 days.