Ivory is the material _____ should be banned in all countries
which or that
These are photos from the holiday _____ we took last summer
which or that
This is the teacher _____ helped me prepare for the science competition
who or that
I was late for the train and this is the police officer ______ gave me a ride
who or that
This is the present ______ I forgot to give you on your birthday
which or that
I like women ______ are intelligent but also good-looking
who or that
I like men _____ are muscular
who or that
I'd like to visit the city ______ has the largest population in the world
which or that
