1. you/ been/ ever/ abroad?/Have

⇒ Have you ever been abroad?

2. countries/ How many/ you/ visited?/ have

⇒ How many countries you have visited?

3. on/ do/ usually/ you/ holiday?/ Where/ go

⇒ Where do you usually go on holiday?

4. by/ you/ travelled/ ever/ plane?/ Have

⇒ Have you ever travelled by plane?

5. in/ travel/ you/ Do/ to/ a/ group?/ prefer

⇒ Do you prefer to travel in a group?

1. you/ been/ ever/ abroad?/ Have

Have you ever been abroad?

2. countries/ How many/ you/ visited?/ have

How many countries have you visited?

3. on/ do/ usually/ you/ holiday?/ Where/ go

Where do you usually go on holiday?

4. by/ you/ travelled/ ever/ plane?/ Have

Have you ever travelled by plane?

5. in/ travel/ you/ Do/ to/ a/ group?/ prefer

Do you prefer to travel in a group?