The audience, ________ , enjoyed the performance

The project is based on an agreement, one of ________ purposes is to ensure that the project can be accomplished before the deadline.

________ , my cousin still couldn’t pass the driving test．

He was wearing dark glasses to _____ his eyes from the sun. [ ]

Some experts are warning that the step the USgovernment has taken to deal with the current crisis between China and Japan is______ of much risk