I forgot to include the following sentences.

1)1)About half an hour before take-off you go to your gate number, where you wait before you get on the plane.
Finally, you board the plane and find your seat.
2)If you have a hand luggage, you can put it under your seat or in the overhead locker above your seat.
Before take-off a steward explain ( don't know the words for this')
3)A flight can be delayed of (?) two hours.
There is a two-hour delay on our flight.
4) You fasten/unfasten your seal belt.
5) The stewards can offer you a snack during the flight.
6)When you travel by car on a motorway, you can stop and have a snack at a motorway restaurant. Do you have to pay at tollgates?

2) If you have hand luggage...

a steward will explain OR explains

3) delayed two hours OR delayed for two hours

Sra

To get the answers to the sentences you mentioned, you can utilize various resources such as online search engines, reference books, or even ask someone knowledgeable in the field. Here are the explanations for each sentence:

1) About half an hour before take-off you go to your gate number, where you wait before you get on the plane. Finally, you board the plane and find your seat.

Explanation: This sentence describes the process of boarding an airplane. Half an hour before the scheduled departure time, you should go to the gate number mentioned on your boarding pass. At the gate, you will wait until it's time to board the plane. After boarding, you need to find your assigned seat.

2) If you have hand luggage, you can put it under your seat or in the overhead locker above your seat.

Explanation: This sentence explains the options for storing your hand luggage during the flight. If you have a small bag or suitcase, you can place it under the seat in front of you. Alternatively, there are overhead lockers above the seats where you can store your hand luggage.

3) A flight can be delayed for up to two hours. There is a two-hour delay on our flight.

Explanation: This sentence discusses the possibility of flight delays. It suggests that a flight can be delayed for a maximum of two hours. The second sentence states that there is a specific two-hour delay on the specific flight being referred to.

4) You fasten/unfasten your seat belt.

Explanation: This sentence describes the action of securing or releasing your seat belt on the plane. Before take-off and landing, it is necessary to fasten your seat belt for safety reasons. Once the seat belt sign is turned off, you can unfasten it.

5) The stewards can offer you a snack during the flight.

Explanation: This sentence mentions that the flight attendants, also called stewards, have the ability to provide passengers with snacks during the flight. They may distribute snacks or offer a service where you can request snacks from them.

6) When you travel by car on a motorway, you can stop and have a snack at a motorway restaurant. Do you have to pay at tollgates?

Explanation: This sentence discusses the possibility of having a snack when driving on a motorway. It suggests that there are motorway restaurants where you can stop and grab a snack during your journey. Regarding tollgates, they are usually points where you have to pay a fee to use the motorway. The sentence inquires whether you need to pay at these tollgates.