All too _____ it was time to go back to school after the glorious summer holidays.

Do you think shopping online will________take the place of shopping in stores?

As a student in Senior Three, I must work hard． ___________, I should take exercise to strengthen my body．

---Laura calls on her teacher pretty ____, doesn’t she? ---Yes. At least three times every week.

However _____ they are designed, pens should function as a tool to write with.