Where is Paul, do you know?– He ________ the library. He won’t return until nine.

My grandfather was born ____ Oct.10, 1935. [ ]

After Mandela was free (自由的) in 1990, he chose to shake hands with the people ________ wanted to kill him.

If you want people to treat you nicely, you have to treat nicely, too.

Do you know the name of the cat ______ is lying on the ground? –Of course, it’s my pet. Its name is Mimi.