A. Ties——Impractical Pieces of Clothing. B. Psychological Importance of Ties C. What The Colors of Ties Mean D. The Colors of Ties and the Occasions to Wear Them.
单项选择题21（）
A.expects B.expectation C.expected D.expecting
单项选择题There have been some insensible people who attempt to end their pains () through suicide.
A. by and large B. once for all=forever C. heart and soul D. on the whole
