-- I didn't realize how popular the restaurant was until I made a reservation the other day.
-- I beg your pardon, but when __________?
A. was you realized it
B. it was that you realized it
C. you realized it
D. was it that you realized it
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
