+ And -

When we sick, what should we do?
Take our medicine (+) or wanna eliminate the virus(-) ?
.........................................
Then, my lecturer took away(-) a bag from our coursemate and put on(+) the table beside him.
And tell us that + and - can applied at anytime.

Taken away the bag from his student.

Long time ago, there is no architect(-) .
They are juz same level wif carpender....at bottom class.
However, they need to form a organisation which can help them in solving daily problems like preventing their building materials from being stolen.
So, the Royal Architect British(+) was established,
and the architects appear.

Showing the picture to everyone

Moreover, he take out my frenzs' work and say + and - is juz like colouring by using water colour.
We need to add water(+) in order to "wash" and remove some water(-) if it is too wet as the paper will spoil.

Nice work from boon.