1) fill if article "the" is necessary. 1. he lives in . 2. felix has already been . 3. they , and . 4. i swam in all the oceans except ocean. 5. is the longest river in europe. 2) be careful with grammar tenses. ( the past continuous and the past simple) 1. when my friend and i (to go) outside, it (to rain) heavily. 2. when peter's mum (to come) into his room, he (to watch) the stars through the telescope. 3. i (to talk) on the phone with ann, when the film (to begin)

1. He lives in .theUSA.
2. Felix has already been tois..France.
3. They climbedtheAlps, ...isCaucasus and isPamirs.
4. I swam in all the oceans except ...theArtic Ocean.
5. TheVolga is the longest river in is Europe.

2) Be careful with grammar tenses. ( the Past Continuous and the Past Simple) 

1. When my friend and I (to go) outside, it (to rain) heavily.
2. When Peter's mum (to come) into his room, he (to watch) the stars through the telescope.
3. I (to talk) on the phone with Ann, when the film (to begin)