Which is a complex sentence?
a) we need dedicated volunteers to get this garden growing!
b) anything that gets your blood flowing is good for you and your body.
c) the vegetables raised in this garden will benefit your community in countless ways.
d) even if you’ve never handled a trowel in your life, we’re asking for your assistance.

battle of midway

during world war ii, it was the "battle of midway" that was the first significant us victory in the pacific, since the us was able to inflict heavy losses on the japanese fleet.

the present continuous is a verb tense which is mainly used to indicates that an action is in progress at the moment of speaking.  

it is formed using: person + verb to be (am/is/are) +verb + - ing form  

example: i am studying at this moment .

in addition, the present continuous is also used in order to express things that will or will not happen in the near future.

example: i am having dinner with some friends tonight.

the speaker sometimes   uses it   to express that an action is repeated and it causes irritation on the part of the speaker

example: my sister is constantly complaining about everything.