Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select 'No substitution required'.
The green shirt is too lose for me to wear.
The following sentence has been divided into four segments. Select the segment that contains a grammatical error from the given options.
I'm sorry, sir. / How many is / the fine for / returning the books late?
In the given sentence, identify the segment which contains the grammatical error.
The children were warning not to try to climb the cliffs as they were very steep.