单项选择题
（）your help, I could not have finished my work so early.
A.with B.by C.for D.without
单项选择题 The manager of our company asked me if was possible for me to（）the marketing plan within a week.
单项选择题 Not being able to speak English,they felt rather（）in the USA.
单项选择题 We advised them to take a rest, but they （）on finishing the work.
