You can use a plastic bottle , ______cut off , as a pot to grow flowers inA the top is B with its top C whose top D the top of which
______ is known to all,the Amber Room belongs to the Russians.
_____ these experiments were successfully completed would we think of going into humans.
According to the rules and regulations, all payments _____ be made in cash in the shopping center.
A huge amount of environmental damage has been _____ by the destruction of the rainforests.
_____ her leg the last time, Brenda decided not to go on the school skiing trip this year.