The only existing problem is ____ we can find this special wood in the forest in such a short time.
A. when B. where C. that D. whether
The reason why they failed the test was ____ they didn’t sleep at all the night before.
A. because B. why C. that D. for which
The nurse was very kind to the boy at first, but finally, her ____ gave out and she lost her temper.
A. patience B. violence C. presence D. independence
Lucy was called to ____ her stupid deeds the night before, but she couldn’t remember anything.
A. pay for B. leave for B. account for D. look for
The editor could have ____ the error before it was published; it was so obvious.
A. added B. spotted C. gained D. ignored
--- You should apologize to Chris as soon as possible.
--- No way! It was not my ____.
A. chance B. trick C. business D. fault
