It was because his father was ill _____ he
did not go to work. 
A. so B. that C. what D. why
_____ is no doubt _____ he will be
successful someday. 
A. There; whether B. There; that C. It; whether D. It; that
Only when I left my parents for Italy ________ how much I loved them.
A. I realized B. I had realized C. had I realized D. did I realize
—I’m sorry. I ___________ at you yesterday.
— Forget it. I was also a bit out of control myself then.
A. shouldn’t shout B. mustn’t shout
C. shouldn’t have shouted D. mustn’t have shouted
The medicine will make you sleepy. You
_______until this afternoon. 
A. would better not drive B. would better not to drive
C. had better not drive D. had better not to drive
A great number of people were killed in the big fire, and the number of the people who _____ missing _______still increasing.
A. were; was B. are; is C. were; is D. are; was
