—When did your cousin begin to show his interest in medicine?—It was a Saturday ___ she noticed her uncle experimenting on a frog in his lab.
You have no idea how she finished the relay race with her foot ____ so much.
Many people stood outside the manager’s office, nervously waiting _________ for the job.
They desired that they __________ the right to attend the meeting.
The owner of the shop asked his assistant to ____ the pears that can be thrown away.
— Do you think he will come at this weekend? — ___________, because he has an important party to attend.