—Do you think playing cards is beneficial to our study?—No,if ________,it can help us kill time when we have nothing to do.
Miss Smith is a friend of ______.
From the top of ______ Empire State Building, you could see up to ______ distance of 130 kilometers on a clear day.
He is always full of ______ as though he never knew tiredness.
Apples are usually sold by ______weight, and eggs are sometimes sold by ______ dozen.
Susan, ______ university student from Europe, teaches me ______ art in her spare time.