The girl ________ I met in the street yesterday is Mary
The doctors have done ______ they could ______the child.
The teacher asked the students ______ .
I don’t know where I ______ my dictionary, which cost me 50 yuan.
If you are traveling___ the customs are really foreign to your own, please do as the Romans do.
The temple is carved in rocks and has on the outside four large stone statues, ______ is 20 metres high.