Use :FOR or SINCE :
1 Nobody has seen him …………….. last Friday.
2 It has been foggy ………………… some days.
3 He has been fishing ………………. six o'clock.
4 They've been living in France ………….. eight years.
5 The pilots have been on strike ……………… two months.
6 We've had terrible weather …………………. Saturday.
7 I've known Thameur ……………….. 1990.
8 We have been waiting for the bus ………………. half an hour.
9 Amel BouSaada hasn't won a match ………………… along time.
10 Things have changed ………………… she's become headmaster.
11 The police has been looking for him …………………a month.
12 Our dog has been ill …………………….. two days.
13 I've been looking for this book ……………… a long time.
14 I've been working ………………….. I got up.
15 The kettle has been boiling……………………. ten minutes.
موضوع: SINE or FOR/Exercise 
الخميس مارس 06, 2008 9:19 pm
