Complete the sentences. Use the verbs in brackets either in the Present Perfect Tense or in the Present Perfect Continuous Tense. Use the full form of the verbs \(have/has/has not/have not\).

1. Laura can't go shopping. She ... \(break\) her leg. 2. I can't listen to him any more. He ... \(lecture\) us for an hour and a half. 3. Boris ... \(never/speak\) Chinese. 4. We ... \(phone\) her for half an hour but can't get through. 5. He ... \(not/phone\) his mother yet.