The old man kept one black cat and two white _______.
Alice received an invitation from her boss,__________ came as a surprise.
The school is divided into two semesters, the first of__________is September through December, and thesecond January through May.
My friend showed me round the town,__________wasvery kind of him.
Between the two parts of the con-cert is an interval,__________ the audience can buy ice-cream.
Mary was much kinder to Jack than she was to the others,__________,ofcourse, made all the others upset.