Choose the right words for or since to complete the following English sentences in Present Perfect Tense. 1. We haven't met. 2. We haven't been in the opera. 3. I haven't spoken German 4. You have kept me waiting 5. It is about two years… we last had news of to him 6. I haven't bought a new book 7. We haven't seen our cousin .. ages.

Here are the completed sentences using "for" or "since":

1. We haven't met since.
2. We haven't been in the opera for.
3. I haven't spoken German for.
4. You have kept me waiting for.
5. It is about two years since we last had news of him.
6. I haven't bought a new book for.
7. We haven't seen our cousin for ages.

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