1. Nobody has come to see us for two weeks since we bought this new house.
2. It's a long time since I saw her here.
3 I haven't seen her since last year. For many years at school she had been wanting to be a lawyer, but I think she changed her mind since then.
4. She was having this terrible toothache for last week.
Объяснение:
В 1ом предложении я не уверен на счет глагола;
3е и 4е предложения построены не логично, поэтому ответы могут быть неправильны.