I don't doubt ________the people in Beichuan County will recover from the disaster soon and rebuild their homes better than before.
John may phone tonight,I don't want to go out ______ he phones.
He is always helping people without expecting anything ______.
I will mark ______ everything you say.It is helpful to the English learners.
—Believe me,all your efforts will ______ some day.—Thanks for your encouragement.
Some blood types are quite common,others are regionally______,and still others are rare everywhere.