While Suzy ______ on the sofa, the phone rang.

_____ has your father lived in the town? —Six years. [ ]

It’s _____ good idea to spell and pronounce new words aloud every day.

All of us found ________ hard to get along with him, he was too strict with others but not with himself.

That’s a nice mobile phone. —It is. My aunt _____ it for my last birthday.