1 I feel better if i do some exercises every day
2 If Dave is thirsty, he always drinks water
3 I get very tired at school if i go to bed late
4 My dad doesn't sleep well if he drinks coffee before bed
PS: Zero Conditional
If + Present Simple, + Present Simple
Present Simple
he she it + Ve/es -утвердительное
i you we they +V infinitive (v-verb)
he she it + does/doesn't + V infin -при вопросительном\
i you we they + do/don't + V infin и отрицательном(not)
1. The operating manual is the ___most important document_ that helps to__ ensure the correct operation of the user which will ensure reliable and long-term operation of the equipment or device __.
2.The operating manual should consist of some certain___sections___, they are brief description and operating principles, terms of service, main purpose, retention rule, repair principles and time of repair frames, transportation conditions, the method of disposal___.
3.The presence of_ such documents___ ensures the correct operation of the user which will __ensure reliable and long-term operation of the equipment or device.
Объяснение:
2) coaches
3) balls
4) countries
5) knives
6) women
7) addresses
8) sheep(это одно из слов на английском языке которые не меняется во множественном числе)
9)teeth