AYSEL2009

08.05.2022 15:44 •  Английский язык

Put the verbs in brackets in the Present Perfect or the Past Simple.
Phillip 1___ (be) my best friend for over 30 years. We 2___ (know) each other since we were children. We 3___ (study) at the same school and 4 (graduate) from the same University of Underground Engineering in our past. Recently, he and his family ___5 (move) to a house on the same street as me. They 6___ (live) in an old house near an abandoned mine, and now I`m very glad that they 7___ (become) my neighbours. For the last 10 years Phillip and I 8___ (work) for the same engineering company. We ___9 (just get back) from work. We 10___ (work) on our current project for 2 years already. So, 2 years ago our company 11___ (start) the tunnel under the river. It ___12 (become) the most important thing in our careers as well. Last week we 13___ (finish) developing the central block and fully 14___ (pass) the upper adit. During this week we 15 (prepare) everything for opening the calotte. So, we 16___ just (start) to move temporary tunnel support to the upper adit level. We need to be sure that the vault is protected well against falling down. The explosion crew 17___ (drill) the blast-holes on the low level to extend it to the side-blocks by blasting after the calotte is finished. We 18___ already (meet) a lot of difficulties while dealing with incoherent ground here, limestone mostly on the upper part and quite solid rock on the lower one. So, we 19___ (have) the main problem to solve by combining soft and hard rock tunneling techniques. There ___20 (be) ground water leaks and rock slides as well, but we successfully 21___ (cope) with this problems using appropriate techologies, adopting our equipment, knowledge and cutting techniques to such changeable ground conditions. We ___22 also (made) the track gauge wider to make it more stable and tolerate heavier loads. We ___23 (create) the tunnel project to be inclined not only on the ends of it leading to the daylight. We ___24 (supposed) our tunnel to be inclined along the whole length of it because our chief engineer ___25 always (believe) that such feature can make it safer, more stable and perform its features for a longer period.