It was with the selfless help of our teacher ______ we realized our dream.
A. that B. who
C. when D. how
Not until he went through real hardship _____ the love we have for our families is important.
A. had he realized B. did he realize
C. he realized D. he had realized
It is attitude ______matters much in daily work.
A. that B. which
C. what D. where
Rarely ______ his voice to anyone ; he seldom argued with his friends, either.
A. he had raised B. had he raised
C. he raised D. did he raise
So necessary _____ it to learn about their customs that I will attend a special lecture next week.
A. I have found B. I feel
C. have I found D. will I feel
—Was it because of his laziness_______ he didn't do the experiment successfully?
—No, it was because of his carelessness.
A. that B. while
C. for D. as