The last module test I gave today included some tricky questions I am not sure about:
Sam (not receive) ... the parcel the last time I (speak) to him.
I think - Sam had not received the parcel the last time I spoke to him.
When I (leave) ... my last job, I (work) ... there for four years.
I think - When I left my last job, I had worked there for four years.
Is it OK to say - When I left my last job, I had been working there for four years. - I feel the Past Perfect Continuous is wrong here.
I've made up my mind I (buy) ... this car. - I think - I WILL buy this car.
Thank you in advance.
ps: even Teachers of English who are native speakers get hold of the published answers to published tests! It saves a lot of embarrassment.
You are absolutely right!