I found ______ possible to answer all the questions within the given time.
I couldn’t help but_____very concerned about his illness when I heard he was in hospital because of heart disease.
The science of computer, _____rapid progress has been made in recent years, is the most important of all science.
Parents complain their children are behaving unreasonably _____children consider their parents to be old-fashioned.
It suddenly_____ to me that I could use a computer to do the job.
Knowledge learnt from books doesn’t have the same effect on a childas_____through practice.
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