6. We (work / not)…………………..................….…….for a bank.
7. Milk always (keep)…………..………………..in the refrigerator.
8. He (step)…………….......................……….on my toe when we were dancing.
9. We (visit)…………….............................………..by our teacher last week.
10.My friend Paul (bear)……………................................………….in Dallas.
11.The new shopping centre (build)……………......................………last year.
12.Barbara (just / know)……………..............................………Jane well.
13.They (build)……………........................…………about 6000 years ago.
14. 2 poems (write ) …………...........................…………..all day yesterday.
15.Workers (dig)……………....….. a large hole in the ground at 7 p.m last Sunday.
16.Cows (eat)………………................…………… grass on the meadow at the present.
17.At 7 p.m yesterday, Mrs. Smith (make)….........………………………….. cakes.
18.Your blue hat (wear)……………..........………….. when I met you yesterday?
19.Everything (prepare)……….......…………….for the presidential election this week.
20.In this month, countries (find)……… ………………a way to solve the problem