7. 1)were being studied 2)have studied 3)were studying 4)were s">

  1. my friends will play table tennis on wednesday. 2. miss chatter will post this postcard tomorrow. 3. i think it will be sunny and warm tomorrow. 4. look at the calendar! today is the twenty first of september. 5. they will swim next month.

the republic of belarus is situated in the center of europe on the watershed of the baltic and black seas. the capital is minsk. belarus borders on poland, lithuania, latvia, russia and ukraine. the total length of the state border makes up 2,969 km. geographic and climatic conditions favor the development of transport and economic relations. the shortest ways from russia to western europe and from the baltic sea to the black sea run through belarus.

the territory of belarus is 207.6 thousand sq km. it stretches from west to east for 650 km and from north to south for 560 km.

1.вы должны попытаться выяснить, так много фактов, как можно больше об этой экспедиции в антарктику.2.группа экспертов должны анализировать сложившейся ситуации связанные с экологическими проблемами нашего города.3.молодому инженеру разрешили применять мобильное оборудование в его экспериментах на поле.4.этот производственный процесс должен был быть улучшен новыми техническими средствами.

1. you should try to find out as many facts as possible about this expedition to the antarctic. 2. the team of experts is to analyze the present situation connected with our city's ecological problems. 3. the young engineer was allowed to apply the mobile equipment in his field experiments. 4. this production process had to be further improved by new technical means. 

настоящее время:

1.they are old friends. 2.i am a teacher. 3. the weather is good today.

будущее время:

1we will be interested in his progress.

2.i shall be your new teacher,    также можно  i will be your new teacher.