`1.` I found this place rather boring. (interested in)

→ I wasn't insterested in this place.

interested in + Ving/noun: có hứng thú với điều gì

`2.` We last went to Spain three years ago. (since)

→ It is three years since we last went to Spain.

`3.` I like Cobb salad and steak pie. (favorite)

→ My favorite food are Cobb salad and steak pie.

`4.`  George spent more money during the trip than Clare did. (as...as)

→ Clare didn't spend as much money during the trip as George.

`5.` Have you ever been to Bandar Seri Begawan before? (first)

→ Is this your first visit to Bandar Seri Begawan ?

hoặc → Is this the first time you visit Bandar Seri Begawan ?

`6.` Thailand is a huge tourist attraction: it has many old castles and pagodas.

→ As Thailand has many old castles and pagodas, it is a huge tourist attraction.

As = because

1 I wasn't interested in this place. ( intersted in + N/Ving )

2 It is three years since we last went to Spain. ( It + is + time + since + S + last + V2/ed )

3 My favourite food are Cobb salad and steak pie.

4 Clare didn't spend as much money during the trip as George.

5 Is this your first trip to Bandar Seri Begawan ?

6 As Thailand has many old castles and pagodas, it is a huge tourist attraction. ( As = because = since + S + V: bởi vì )