Identify the erroneous part in the following lines; "The charm of lofting's book lies in the humorous reversal of roles ______ the animals guide, assist and generally they take care of the helpless humans".

Identify the correct sentence.

Which of the following sentences is incorrect?

Select the underlined word of phrase that is incorrect: When our vacation, we plan to spend three days scuba diving.

Select the incorrect part of the sentence: It as him/who came/running/into the classroom.

Select the incorrect part of the sentence. Every man, woman and child is now aware/ of the terrible consequences of/habit of smoking.

Identify the wrong part of the sentence :

The scientist, who had studied the phenomenon for years, were able to explain the unusual behavior. in great detail, during the conference.