From his ______ look, we could see that he hadn’t expected that we could raise such ______ questions to him.
Is ________ some German friends visited last week?
Is there anyone in your class ________ family is in the country?
The engineer ________ my father works is about 50 years old.
They arrived at a farmhouse,in front of ________ sat a small boy.
The pen ________ he is writing is mine.