Past Perfect vs Past Simple

I wanted to pay for my shopping when I ........... (see) that I ............... (leave) my wallet at home.

• saw/ leaved

• saw/ left

• saw/ had left

We ................ (go) to the party together after I ............... (make) dinner.

• went/ had made

• had gone/ made

• went/ made

Brian ................. (want) to talk about the argument he ................ (have) with Lucy the day before.

• wants/ had

• wanted/ had had

• wanted/ had

I ................. (forget) that I ............ (post) that letter.

• forget/ posted

• forget/ had posted

• forgot/ had posted

He ................ (visit) many other countries before he .......... (go) to Australia.

• visited/ went

• had visited/ went

• visited/ had gone

He ............. (go) before I .............. (can) speak to him.

• went/ could

• went/ can

• had gone/ could

He ............. (leave) after I ............... (speak) to him.

• left/ had spoken

• leaved/ spoken

• left/ spoke

I didn't know you .................. (already/lend) her 100 dollars and I ................. (give) her another 50 dollars.

• had already lent/ gave

• had already lend/ gave

• already lent/ had given

Before she ............... (go) to work, she ................ (feed) her cats.

• had gone/ fed

• went/ had fed

• went/ had feed

My mother ............... (decide) to let the flat after she .............. (inherit) it.

• decided/ had inherited

• had decided/ inherited

• decided/ inherited