1) The letters (are being typed) at the moment.
2) Guernica (was painted) by Picasso.
3) The parcel (has not been delivered) yet.
4) Alpha Romeo cars (are made) in Italy.
5) The thief (was arrested) late last night.
6) The announcement (will be made) tomorrow.
7) Good evening ladies and gentlemen. I (am) Charles Trump.
8) I (am reporting) from BBC news headquarters.
9) Earlier this evening an earthquake hit Cairo, Egypt. Many people (were killed);
10) many more (were injured)
11) and much of the city (was destroyed).
12) Emergency teams (have already been set up) all over the city.
13) They (are helping) the injured.
14) Firemen and local people (are digging) in the wreckage 15) as many people (are still trapped).
16) We (are expecting) a special, in-depth report from our reporters at any moment.
17) As soon as we (hear) from them we will release another news bulletin.
18) Anyone who (wish) to enquire about family or friends should ring the following emergency numbers - 010 888 - 38691/2/8/0 for information.
19) We (will be back) with the special bulletin.
20) A BBC special news team (is leaving) for Cairo immediately.
2/The young workers train at the factory how to use the new equipment now - Молодые рабочие тренируются на заводе, как использовать сейчас новое оборудование.
3/ This road was built last year.
b) Сельскохозяйственная техника поменяла жизнь и работу на нашей ферме.
changed- past simple
Механики уже показали студентам новую технику.
have shown - present perfect
Несколько частей машины реконструируются механиком.
are being reconstructed -present continuous