Определите время ( Present Perfect или Past Simple Исправьте ошибки, если они есть.1) I read this book some years ago2) I've never been to Moscow.3) Peter saw this film yesterday4) Ann didn't do her homework yesterday 5) I sent him an email last month, but he didn't get it ​

1) I read this book some years ago ✅ Past Simple

2) I've never been to Moscow. ✅ Present Perfect

3) Peter saw this film yesterday. ✅ Past Simple

4) Ann didn't do her homework yesterday ✅ Past Simple

5) I sent him an email last month, but he didn't get it ​✅ Past Simple

Объяснение:

1) Science deals with a variety of subjects.
2) Scientists search for the answers to the different questions.
3) The structure of the cells is examined by the scientific fields are not clear (что-то не так написано).
6) The natural, social and technical sciences are closely interconnected.
7) Through the ages, people have invented tools, machines, and materials to make work easier.
8) Science has contributed much to modern technology.
9) Some modern technologies depend on science.
10) During our leisure time we watch TV. 2.a)
wide - great
to research – to study, to investigate, to examine
to attempt – to try
to believe – to consider
to examine - to study
main – major
complex – complicated
difficult - hard
to start – to begin
big -great
a motor – a machine
various - numerous
to study - to examine b)
narrow – wide
easy – complicated
practice – theory
artificial - natural
old - new
more - less
to begin – to end
small - major
little - great

1) Science deals with a variety of subjects.
2) Scientists search for the answers to the different questions.
3) The structure of the cells is  elaborated by the scientific fields are not clear.
6) The natural,social and technical sciences are closely intertwined.
7) Through the ages, people have invented tools,machines, and materials to make work easier.
8) Science contributes much to modern technology.
9) Some modern technologies depend on science.
10) During our leasure time we watch TV.
2.
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