Mrs. Hanson, a housewife bent on getting ________ higher education, has been going to college, a few courses at ________ time, for 7 years.
She is _____ careful girl ______ she hardly makes mistakes in the exam.
He was so careless that he left _____the door ____.
____ many times, I could not remember her telephone number.
Mr. Johnson insisted that he _____ his debts, but nobody believed him.
If only I _____ a few days ago!Then I wouldn’t have been feeling so worried now.