I feel it is you rather than the boy who _____ for being late for the speech. [ ]

I’m not wearing glasses, so I can’t see the pictures ______.

This is a kind of traditional classroom teachingstudents are taught a lot about grammar rules.

Greedy _______ the opportunity toprove his ability, he took up the without any hesitation.

There are still many old city walls in Xi’an,_______—Yes, there are.