18 You (not hear) the sound of the explosion till after you have seen the flash. 19 These gates will remain shut until the train (pass). 20 When he (sell) all his newspapers he'll go home. 21 We can't have a fire here until we (sweep) the chimney. 22 You (get) a shock when you open that box. 23 When you are eighteen your father (give) you a latchkey. 24 Don't jump out of the aeroplane until the pilot (say) 'Go!' 25 I can't leave the country till the police (return) my passport. 26 When a bottle of champagne (be) opened for twenty-four hours the wine is not fit to drink. 27 Hotel receptionist: When you (sign) the hotel register the porter will show you your room. 28 You (not know) how good oysters are till you have tasted one. 29 That road will not be safe till the floods (subside). 30 When everybody (leave) the park the park-keeper will lock the gates. 31 When we have seen the Chamber of Horrors we (have) a cup of tea. 32 When you (have) something to eat you'll feel better. 33 I (stay) in court till the jury returns. 34 You cannot become a member of this club until you (make) a parachute descent. 35 When the boa constrictor (eat) the goat he will become very lethargic. 36 As soon as everybody has gone to bed the mice (come) out of their holes.
Ответы
18.You will not hear the sound of the explosion until after you have seen the flash.
19.These gates will remain shut until the train passes.
20.When he sells all his newspapers he'll go home.
21.We can't have a fire here until we sweep the chimney.
22.You will get a shock when you open that box.
23.When you are eighteen your father will give you a latchkey.
24.Don't jump out of the aeroplane until the pilot says 'Go!'
25.I can't leave the country until the police return my passport.
26.When a bottle of champagne has been opened for twenty-four hours the wine is not fit to drink.
27.Hotel receptionist: When you sign the hotel register the porter will show you your room.
28.You will not know how good oysters are until you have tasted one.
29.That road will not be safe until the floods subside.
30.When everybody leaves the park the park-keeper will lock the gates.
31.When we have seen the Chamber of Horrors we will have a cup of tea.
32.When you have something to eat you'll feel better.
33.I will stay in court until the jury returns.
34.You cannot become a member of this club until you make a parachute descent.
35.When the boa constrictor eats the goat he will become very lethargic.
36.As soon as everybody has gone to bed the mice will come out of their holes.