No need to bring glue

As long as the 2B pencil is produced by a regular manufacturer, it will not fail

The eraser must be 2B or above, otherwise it will not be wiped clean. You can also bring a towel (white)

Water, but the label on the bottle must be removed, and don’t drink too much water, otherwise you will want to relieve yourself

You can put the key in your bag , there should be a place to put the bag at the front or back.