A
1 equipment
2 expecting
3 ladder
4 receptionist
5 grown
6 cliff
7 noisy
8 cost
B
1. May, wasn't able to, have, don't need
2. Don't have to, can, must, could, can't
C
1 My house isn't as close to the city centre as yours.
2 The plane is safer (more safe) than the train.
3 The Royal Hotel is more expensive than the Central Hotel.
4 I think Mr Sanders is the best teacher in our school.
5 Julie is the most interesting person I've ever met.
6 Window seats are as comfortable as window seats.
D
1 Do you know how much does the city tour cost?
2 Could You tell me when the Ronnie's pizza opens?
3 Excuse me, can You tell me where I could buy souveniers?
4 Can You tell me how the tour guide looks like?