`10` Mary has been moving here since 1987.

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`1` I have just returned from a four-day trip to Da Lat.

`to` HTHT: S+ have/ has+ Vp2.

`2` The trip was very interesting and I am eager to tell you about it.

`3` My parents and I stayed in a small hotel near Xuan Huong lake.

`4` We felt comfortable when we walking around the lake and enjoying the fresh air.

`5` Da Lat has many interesting places such as  Cam Ly fall, Bao Dai Palace, and Love Valley.

`6` During our visit there, the weather was cool and rainy but it was rather cold at night.

`7` The food was excellent and we enjoyed a lot of vegetables and fruits.

`to` QKĐ.

`8` Returning from Da Lat, we felt healthy and relaxed.

`9` Please write to me when you have time.

`to` Please V-inf.

`10` I am looking forward to hearing good news from you soon.           

`to` looking forward to V-ing.