Go to classroom.google.com and click Sign In.
Sign in with your eLearn Account e.g. s2xxxxxxx@elearn.hkbuas.edu.hk
On the class tab, click Join.
Go to classroom.google.com and click Sign In. Sign in with your eLearn Account.
Click the class.
At the top, click Classwork.
Under a topic, look for Question or Assignment .
(Optional) To see any instructions or feedback, click the post. View assignment or View question.
https://support.google.com/edu/classroom/answer/6020285?hl=en&co=GENIE.Platform=Desktop