Joe worked so hard that ________ he made himself ill[ ]

Most computer users think it necessary for theirsoftware ________ regularly．

Bob is ______ friend. ______ is a good boy.

Ideally_________ a few minutes from Broadway Theatres and FifthAvenue, the New YorkPark Hotel is a favourite with manyguests[ ]

．—What about listening to the English program on the radio while learningEnglish–Personally，___________．