I failed in the final examination last term and only then the importance of studies.
| A．I realized | B．I had realized | C．had I realized | D．did I realize |
_____ I suggest, he always disagrees.
| A．however | B．whatever |
| C．Whichever | D．Whoever |
“Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”
| A．after | B．unless |
| C．until | D．when |
You will succeed in the end ____ you give up halfway.
| A．even if | B．as though |
| C．as long as | D．unless |
---They like going to sleep early, don’t they?
---Yes. They are accustomed _____very late.
| A．to stay up | B．to not stay up | C．to staying up | D．to not staying up |
Luis is____a lot of stress right now because he has been addicted____drugs.
| A．on; to | B．under; to | C．with; into | D．in; in |