u offers visitors outstanding natural beauty coupled with excellent customer service, _________ makes for an unforgettable experience.

I need to advertise for a roommate for next term.— _____ Mary is interested.

填人下面这段文字横线处的语句，最恰当的一组是 （ ） 我们常说的牙垢，实际上包括牙菌斑、软垢和牙结石等几部分。牙菌斑是不可见的，但它是牙周病的罪魁祸首。软垢是口腔里各种残渣的沉积物，是口腔细菌的食粮。牙结石则相当于细菌的城堡，由细菌建造用来藏匿细菌。 ，所以牙垢不能留!

.. —-She looks so unhappy. Did you tell her the truth yesterday? —-Yes, but I ____ her later.

Will you waste your time andmoney on that — Certainly ________.