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were invited have been invited was invited has been invited
were invited was invited have been invited has been invited
how well they give their lectures how well they get along with the students how many papers and books they have published how well they conduct their academic researches
were asked was asked were asking was asking
how well they get along with the students how well they give their lectures how many papers and books they have published’ how well they conduct their academic researches
were asked was asked were asking was asking
were asked was asked were asking was asking
how well they get along with the students how well they give their lectures how many papers and books they have published’ how well they conduct their academic researches
were; is being taken were; are being taken was; has been taken was; have been taken
were invited was invited have been invited has been invited
were invited have been invited was invited has been invited
how well they get along with the students how well they give their lectures how many papers and books they have published how well they conduct their academic researches.
were invited was invited has been invited has been invited
were invited was invited has been invited has been invited
most of them were students most of whom were students whom they were students they were mostly students
taught had taught was taught were taught
discussed were discussing have discussed was discussing
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