摘要：用用 since或 for填空. 1) since 2) since3) for
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用since或 for填空。
1. I've been practicing the piano 10:30.
2. Maria has been running 15 minutes.
3. Sarah has been sleeping 9:00.
4. Dale has been talking on the phone five minutes.
5. Louie has been studying he was six years old.
6. I've been watching you ten minutes.
7. The Lin family has been living in the neighborhood August.
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2. Maria has been running 15 minutes.
3. Sarah has been sleeping 9:00.
4. Dale has been talking on the phone five minutes.
5. Louie has been studying he was six years old.
6. I've been watching you ten minutes.
7. The Lin family has been living in the neighborhood August.
用 Since或for填空。
1. I've been practicing the piano 10：30
.2. I've been waiting half an hour.
3. He has been living here 1999.
4. Mike has been running 10 minutes.
5. He has been working here he came here.
6. Jim has been talking with Tom two hours.
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.2. I've been waiting half an hour.
3. He has been living here 1999.
4. Mike has been running 10 minutes.
5. He has been working here he came here.
6. Jim has been talking with Tom two hours.