We were told not to touch the equipment in the laboratory unless ________

When talking about the Mid-autumn Festival,we ______ think of mooncakes and family reunion.

Now that she is out of a job, Lucy ______going back to school, but she hasn’t decided yet

Lucy has been ____ a job everywhere since she graduated last month.

She told me she wanted to ________ her two o’clock appointment in order to take care of her sick.