50 When did you learn to drive?

-> How long is it .......................

51 The last tiem I went swimming was when we were in Spain

-> I haven't.............................

52 You haven't tidied this room for weeks

-> It's weeks.......................

53 We started looking for a flat 2 months ago and we are still looking

-> We have.......................

54 This is the first time I've been to a night club

-> I haven't............................

55 They have never heard such a thing before

-> This is the first time..................

56 No one has cha;;enged his authority before

-> This is the first tiem....................

57 She left university 2 years ago

-> It is...................................

47 I haven't been to a concert for over a year

-> The last time..............

48 The last time I really enjoyed myseft was your birthday party

-> I haven't .........................

49 It's nearly 20 years since my father saw his brother

-> My father hasn't.........................

I haven't...............................

2 It's ten year1 The last time I was aboard was in the summer of 1978

->s since that house was lived in

-> That house..................................

3 I haven't seen him for 2 months

-> I last........................

11 I(work).................with him since 1990

12 She(study).................English for your years now

13 I(not see)...................you for ages

14 They(live)...................here for the whole life

15 You (meet)................him since we said goodbey?

16 How long you(learn)..................English?

17 We(not get)................in touch with him for years

18 He (not be) ................here since Christmas

19 I (try).............learning English for years

20 He already(drink) ....................three cups of coffee

6 Mr. Binh(learn)...............Chinese at school,but he(forget)...............most of it

7 We(have)..................a party next Sunday. Whould you like (come)..........?

8 My parents (not be) ....................in Moscow yet

9 You ever(see)..................that film?

10 They(buy)..............new instruments recently