Answer:
IDK I THINKS ITS ...........
Explanation:
HHMM UMM.. HOLD ON
<span>b. His new watch is self-winding, but it still needs a battery.
It contains a conjunction between the two clauses and has a comma too.
Hope this helps. </span>
You have to compare to teacher to something else like: "My teacher is as sneaky as a fox" ; Something like that.