单项选择题
Some say yes and others say no; I don't know （）to follow.
A.whether B.what C.whom D.how
单项选择题 Shall we request the chairman（）our suggestion again?
单项选择题 She is very nice, but because she has a（）way of speaking, she is slow in making friends
单项选择题 His company promised to pay for his health （）in addition to other benefits.
