—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.
The harm which __________ his health is out of our imagination.
.--- I thought you were going to call on me last night. --- Sorry, I __________. But I had to finish the report.
Don’t be so upset. It won’t be ___________ your children can return to school again.
__________ two exams to worry about, I have to work really hard this weekend.
Who would you rather __________ the report instead of you ?