16-My sister.....for you since yesterday.
A- is looking B-was looking C-has been looking
17-Jack.....the door.
D-looked
A-has just painted
18-The train .........half an hour.
A-has been leaving
B-paintC-will have painted
D-painting
B-left
C-has lelt
D-had lelt
.Doris since last Sunday. ...
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