1. Reorder these words to make a correct sentences 1. cities / the most beautiful / Barcelona / in Europe. / is one of / 2. I was / I have been / in France. / to Paris / when / twice / 3. If / trees / cut / we / down / all / floods / there / be / will. 4. interested in / around / travelling / He / the world. / is / 5. They / never / eaten / Italian / have / before / food. giúp em

`1` Barcelona is one of the most beautiful cities in Europe.

`-` be one of the + so sánh nhất + N: một trong những thứ gì nhất.

`2` I have been to Paris twice when I was in France.

`-` HTHT : S + have/has + V3/Vpp + O.

`3` If we cut down all trees, there will be floods.

`@` Câu điều kiện diễn tả hành động có khả năng diễn ra trong tương lai .

`=>` Điều kiện loại `1` : If + S + V(s,es) + O , S + will/modal verbs + V-inf + O .

`4` He is interested in travelling around the world.

`-` be interested in + V-ing : thích làm gì.

`5` They have never eaten Italian food before.

`-` HTHT : S + have/has + V3/Vpp + O.