Remember that ______ is better than cure, so brush your teeth at least twice a day and visit your dentist for regular check-ups.
They desired that they_______ the right to vote.
Mrs. White bought a _____ wallet for her husband.
It is the test system, _____ the teachers, that is to blame for the heavy burden of middle school students nowadays.
______ not to miss the flight at 15:20, the manager set out for the airport in a hurry.
The last letter ____ arrived yesterday morning left him______ very sad.