Mr Stephenson was wearing a black hat and big dark glasses because ...... (follow) a young man and wanted to remain undetected the whole time.

Kate's shirt was really filthy since she ...... (change) the oil earlier that day.

I guess Marcus was really disappointed as he ...... (hope) for the promotion Jason got.

Ms McClintoc was very angry because her husband ...... (see) another woman since May.

The author's garden was overgrown with weed as she ...... (sit) at her desk writing a new book for the past six weeks.

Mr Thompson wasn't wearing a tie that evening because his wife ...... (do) the washing up that day and she forgot to leave him one for the evening party.

David's sister was late for the meeting because she ...... (have) problems with her computer the whole morning.

My grandmother had quite dirty hands as she ...... (weed) her garden the whole afternoon.

The undeground network broke down after a terrorist ...... (make) threats that there was a bomb somewhere out there for a few days.

All the roads in our neighbourhood were impassable as it ...... (snow) heavily for the past few days.