— What does the fresh juice contain?— ________of the juice ________ orange. It's very pure.A. Four-fifths; are B. Four-fifth; is C. Four fifths; is
Remember _______ out for the right light.
I enjoy ________ visitors around.
Thank you for _______ us around Radio Beijing.
All of us found ________difficult to work out the maths problem.
The house price is going up _______.