Please check my following answer which has filled in bold letter, it is related to conjuction.

a) I know that the meeting is very important, but I have to go there

b) The people of the island are hard working and they also very intelligent

c) She Was running very high fever,yet she won the race.

d) He left work early so he can go home early.

e) You can either go to the picnic or stay at home.

f) Neither my friends nor I am going to picnic.

g)He is not only a good athelete but also a good dancer.

check my answer given below

a) I know that the meeting is very important, but I have to go there.

The conjunctions marked by you in the given sentences are all incorrect.

Conjunctions are usually also known as connectors.They join the two sentences. Some examples of conjunctions are: and, but, or, neither-nor etc.

The correct responses for the given sentences are:

a) I know that the meeting is very important, but I have to go there.

b) The people of the island are hard working and they also very intelligent.

c) She Was running very high fever,yet she won the race.

d) He left work early so he can go home early.

e) You can either go to the picnic or stay at home.

f) Neither my friends nor I am going to picnic.

g)He is not only a good athelete but also a good dancer.