Ответ:
1.Who ………………… on your way to school yesterday ? ( DID YOU SEE)
2.Emily ……………………… abroad many times (HAS BEEN).
3.I ………………….my umbrella. I can’t find it anywhere (HAVE LOST)
4.The post ………………….. Is there anything for me ? (HAS JUST ARRIVED)
5……….Buckingham Palace when you were in London last summer ? (DID YOU VISIT)
6.My sister ………in Canada for two years before she went to London (LIVED)
7.How many times ………………………… that film so far ? (HAVE YOU WATCHED)
8.My father ………………….me any pocket money last week (DID NOT GIVE).
9.I …………………….him twice already. he seems to be a nice person (HAVE MET)
10……………………………any news of John lately ? (HAVE YOU HEARD)