Поставить глаголы в present perfect- present perfect continuous 1. they already (reduce) the prices. 2. he (deal) with international trade for fifteen years. 3. we just (discuss) the question of his promotion. 4. competition from international trade (force) domestic firms to become more efficient through modernization and innovation. 5. the director is getting upset because his partner (not to come) yet. 6. how long you (work) here? 7. we (start) producing a new type of equipment this summer. 8. it is the first time i (be) abroad. 9. he (type) ten reports this morning. 10. they (work) on this project since monday.

1.they have already reduced the prices. 2.has been dealing 3.we've just discussed 4.has been forcing 5. hasn't come 6.how long have you been working here? 7.we've started 8.i've been 9.has typed 10.they've been working

ex. 29

1) in

2) for

3) of

4) into

5) to

6) over

7) on

ex. 30

across: taken, run, got, sat, put, spoken, brought,

been, swum, begun

down: written, gone, had, told, seen

see — saw — seen 

swim — swam — swum 

take — took — taken 

run — ran — run 

get — got — got 

sit — sat — sat 

put — put — put 

speak — spoke — spoken 

bring — brought — brought 

be — was/were — been 

begin — began — begun 

write — wrote — written 

go — went — gone 

have — had — had 

tell — told — told

ex. 31

a)

путешествующий художник политик, произносящий речь ученый, за чем-то спящий щенок

b)

покрашенная стена

письмо, отправленное писателем

игра, сыгранная/ в которую играли вчера

реклама, написанная нами

собор, основанный в

      belka and strelka were most usual dogs of the soviet union.but they have become famous all over the world.these two dogs together flew into space and did a couple of turns around the earth's orbit.this happened even before the first space flight of people before yuri gagarin.       scientists wanted to see how the animals feel before you send people into space first.belka and strelka planted inside and launched a satellite into orbit.the flight was difficult and dangerous, because then scientists have not really know what is happening and how a living organism in orbit.but dogs are well behaved and obedient, only barked loudly, seeing the earth through the porthole.       belka and strelka were flying in space more than a day, and then landed safely.they rejoiced worldwide.