Is ____ necessary to complete the design before National Day?
The flowers were so lovely that they __________ in no time.
—Ouch! You hurt me! —I am sorry. But I __________ any harm. I __________ to drive a rat out.
—I have got a headache. —No wonder. You __________ in front of that computer too long.
Cathy is taking notes of the grammatical rules in class at Sunshine School, where she __________ English for a year.
We live day by day, but in the great things, the time of days and weeks __________ so small that a day is unimportant.