Not until he went through real hardship ______ the love we have for our families is important.
A. did he realize B. had he realized
C. he realized D. he had realized
Old-fashioned phones matter when wireless networks _____ in disasters.
A. turn down B. break down C. turn out D. break out
Michelle found a job as a high school teacher which _____ spending quite a lot of time with students.
A. enjoys B. practices C. involves D. suggests
No one ______ be more generous; he has a heart of gold.
A. must B. dare C. need D. could
It was not until near the end of the letter ______ she mentioned her own plan.
A. where B. that C. why D. when
_______ small, the company has about 1000 buyers in over 30 countries.
A. Although B. If C. Once D. As
