问题
选择题
We have finished the work in time __________ your help．So we are very grateful for that．Which of the following is NOT proper?
A．thanks to
B．because of
C．as a result of
D．leading to
答案
答案：D
介词辨析。A多亏；B因为；C因为；没有D这个短语。根据句意可知ABC都适合的。按照题目要求，那个是不合适的，故选D。