Well, you can buy $20 tickets or 30 $ tickets, ______ you prefer.
The teacher warned ________ was caught ________ during the test would be punished.
If he ________ quietly as the doctor instructed, Ronald would not suffer so much now.
It is in the cityyou are going to pay a visit tothis kind of beer is produced.
With the send-up of the spaceship approaching, occasions are rare _________ the staff can spend a weekend with their families.
Even given________ fuel, the current rate of increase of energy consumption cannot continue for much longer.