That passenger was very impolite to the conductor, ______, of course, made things even worse.

Alice is one of the students who I am sure always bestin most difficult situations.

I heard that some patients who had undergone laser eye surgery experienced sudden losses of vision, ______?[ ]

Well, we have been waiting here＿＿＿＿＿for the guest.

.People have planted a great many trees in order to _____ wind and sand in the desert.