It's important for us to employ a word or a phrase according to the _________ in language studies.
A student of Fudan University ___ Huang Yang, was reported ____ by his roommate, ______ the whole nation.
---Jack, you erase the blackboard today, __________?---But I did it yesterday.
Considering your income, you should be able to ______ at least twenty dollars a week.
Boys and girls, you should know what a great difference good manners in public will ________ to a person.
—Why is your wife wearing a mask in such good spring?—Because she is_________ to flowers.