Complete the sentences with is/isn't are/aren't

I can translate this sentence
May I come in?
He could meet them at 2: 00.
He will be able to meet them in 2 hours.
Could you do that today?They will be able to discuss these questions on Monday morning.
May I use your camera?
I had to answer all these letters yesterday.
 We had to stay home because weather was bad
You should visit your friend. He had a stomach ache yesterday.
You don't have to go to the library, we have a lot of books at home.
Could you tell me about the natural remedies?
You shouldn't listen to music too loud.

1) A large boat that is used for travelling by sea. Ship, liner
2) The English for " экзотический" exotic
3) You need this document if you travel abroad. passport
4) This book gives you information about a country you are going to visit. guide-book
5) The opposite of "boring". interesting
6) American slang for "hello". hi
7) A person who travels. traveller
8) What you need to get into a train or a plane. ticket
9) A long journey by sea. cruise
10) Madame Tussaud's is a museum in London.
11) It helps you not to get lost. map
12) You must be careful of this person in some cities. robbers
13) When in Rome, do as the __ Romans __ do.
14) A place where tourists usualy stay when travelling. hotel
15) Let's meet _at_ the railway station.
16) This language is understood in nearly every corner of the world. English
17) How _long_does it take to get from Europe to NEW-york?
18) Tourists spend most of their time seeing the _ sights __.
19) You need it if you want to take pictures. camera
20) The English for "туризм". tourism
21) The language spoken in Turkey. Turkish