Step 1: Recognize correct prepositional usage.
The correct preposition that follows "interested" is in, not "on", "at", or "about".
Step 2: Correct the sentence.
The corrected sentence should be:
"She is interested in learning new languages."
The manager asked the team to complete the project _______ the end of the week.
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world