Fill in each of the blanks in the following sentences with a phrase listed below. Change the form where necessary.1.He seemed to __________ his social functions, he smiled and was abundant in hospitality.2.Local inhabitants haven’tthe slightest doubt __________ who is the rightful owner.3.At what age are children able to __________ right and wrong?4.He must have been aware that my parents’marriage was __________.5.But I think I would argue that you should at least__________.6.He __________ her since they left school.7.Tom, __________ that new stock and make sure it’s all there.8.An experiment is being carried out to __________ the reliability of the matter.9.Joanna bade her father good-bye and set off to __________.10.__________ you are a student, you are free to use the library.