1.My mum (make) you a sandwich if you (be) hungry. makes, are
will make, are
make, be
2.He (buy) a new computer tomorrow.
buys
will buy
am buying
3.You (not/understand) if you (not/listen).
will understand, doesn`t listen
won`t understand, don`t listen
don`t understand, won`t listen
4.
The scientists (invent) another fuel in the future.
invent
invents
will invent
1. my mum will make a sandwich if you are hungry
2. he will buy a new computer tomorrow
3. you won't understand if you don't listen
4. the scientist will invent and I have a fuel in the future
Объяснение:
с вас и лучший ответ если не сложно