0 things that still need to be done or explained:
At the same time, adverbial licensing is a rather difficult topic, so some loose ends in the presentation can be expected.
Put another way: there are many loose ends and gaps.
Entries (findings) are relatively permanent and it is the clues (hypotheses and loose ends) that can change.
There are several loose ends with the last two assignments.
It was impossible to comprehend because there were all these loose ends trailing off.
The running narrative seems to include many loose ends or unexamined assumptions.
Tying up these loose ends will eventually lead to a tighter model.
This is a good introductory chapter but there are a few loose ends.