1.we(do)... this exercise at the moment.
2.My brother(work)... in a shoe store this summer.
3. I(have)... coffee for breakfast every day.
4.the sun (rise)... in the west.
5.we(watch)..the good programme on TV last night.
6.When I (go)...out ,the sun (shine).......
7.After he (leave)...,she burst into tears.
8.It's ages since she (visit) ....us.
9.At7 yesterday I(clean)....the kitchen.
10.At this time tomorrow, we (sit)... on the flight to LonDon.
11.At this time 3 years ago ,we (go) ...on holiday in hawaii.
12.Before 11 yesterday morning,we(clean)...all the housw.
13. Before she (meet).....him ,she (Be ) .......married twice.
14 Before you come tomorrow , we(do) .....it by ourselves.
15. It's moer than two years since we(get)...........married.
16 He (have) .....dinner when the phone (ring).............
17. He (not drive).............a car since he (have)........a car accident last year.
18. It's about ten months since I (have) ......... an accident.
19.How many letters(you write).......so far?
20.I (do).......nothing at this time tomorrow .