Fill in:vote, struggles,come,breathe, observing.
1.Tom ........... In chemistry. We should get him a tutor.
2. We can learn a lot about science by ........ The natural world.
3. Hou did Einstein ............ Up with the theory of relativity?
4. We're going to ............. For a new class president today.
5. Sally's asthma medicine helps her ........... Better.
Заранее спасибо