3. Complete the following sentences with these time expressions : for, since, yet, alreadGeorge has ?
3. Complete the following sentences with these time expressions : for, since, yet, alread George has . Fed the dog. Don't worry. I have . Seen her before. He has waited for you . 3 o'clock. My parents have been away . A ueek. No, we haven't had a holiday . We have been friends . 2003. I haven't done my homework . Sue hasn't phoned me Mary has . Dacked his clothes. They haven t seen us . Last year .