The Chinese abacus(算盘), officially ______ as a cultural heritage at the 8th Annual UNESCO World Heritage Congress, is another symbol of Chinese wisdom.
Your smile is one of the strongest tools that make ______ possible for you to meet new people.
He suggested that we ____ the plan later, which suggested that he ____ against it.
___ for the fact that you were lazy, you could have finished the assignment by now.
With my money ______, I went back home.
I like reading poems, because poems can ___certain ____.