_____ is known to everybody, Taiwan is part of China. We must unify it.
____ we want to know is whether we must finish the work ____ you assigned last week.
– Why you didn’t handed in your exercise paper?–Sorry, but I ____ that it should be turned in today.
President Obama has two daughters, _____ able to fit in well with their citizens.
He is ________that all of us like him very much.
I was really anxious about you. You____ home without a word.