The beginning of the story is excellent, ____is the ending, _____leaves us much to think.
This is the biggest lab__________we have ever built in our university.
He is__________as a leader but he hasn’t__________in teaching.
Only by practising constantly__________ greater progress.
__________ printed, this science fiction will be popular among the students.
. —I’m leaving for Canada on a study trip next week. —_________.