Put the verbs in the brackets into the correct form( Present Perfect or Present Perfect Continuous) 1. She ( to look) for her key since she came home. 2. They ( to be ) here since two o’clock. 3. How long Mary and Ann (to know) each other? 4. She (to wait ) here for three hours. 5. How long it (to snow) ? 6. How many jobs you (to have)?
