Exercise 4. Join the sentences using because and Past Perfect Simple. Example: Pete and Sue spent the afternoon shopping. They were worn
out. Pete and Sue were worn out because they had spent the afternoon shop-
ping
1. They left their passports at home. They couldn't cross the frontier.
2. I didn't check the oil for a long time. The car broke down.
3. Alan didn't keep his promise. She was upset.
4. He lost his glasses. He couldn't read the sign.
5. Ron didn't work hard enough during the year. He failed his exam.
6. We didn't pay our telephone bill. The telephone company cut us off.
7. Nick left his wallet in the office. He was angry.

Komp'yuter okazyvayet ochen' bol'shoye vliyaniye na obshchestvo. On reformiroval nash obraz zhizni. Ispol'zovaniye komp'yutera imeyet vliyaniye na kazhduyu otdel'nuyu chast' nashey zhizni. 2.Lyudi ispol'zuyut komp'yuter, chtoby sdelat' obychnuyu povsednevnuyu rabotu bystro i legko. Ispol'zovaniye personal'nogo komp'yutera delayet trudnuyu zadachu meneye slozhnoy. Yesli noutbuk vyshel iz stroya, Vy vsegda yego mozhete otnesti v servisnyy tsentr vot ssylka. V ikh STS rabotayut opytnyye professionaly i bystro ustranyat lyubuyu nepoladku vashego PK. 3.Komp'yuter takzhe ekonomit vremya, energiyu i snizhayet obshchuyu stoimost', chtoby zakonchit' opredelennuyu zadachu. 4.Mnogiye kompanii ispol'zuyut komp'yutery dlya podderzhaniya uchetnykh zapisey svoikh kliyentov. Banki ispol'zuyut komp'yutery dlya khraneniya zapisey i upravleniya finansovymi birzhami. 5.Banki takzhe predostavlyayut uslugi internet-bankinga dlya svoikh kliyentov. Takim obrazom, kliyenty mogut proverit' svoi zapisi so schetov ispol'zuya internet.

1 Is my classmate a good person? My classmate isn't a good person.

2 Were we at the cinema last night? We were not at the cinema last night

3 Is it her favourite subject? It isn't her favourite subject

4 Were they the best friends long time ago? They were not the best friends long time ago

5 Is the weather is warm enough to stay inside? The weather isn't warm enough to stay inside

6 Is the market still closed? The market isn't still closed

7 Was she in a good mood a day before? She wasn't in a good mood a day before

8 Were those people at the hospital? Those people were not at the hospital.