【题目】There are too many difficulties for us __________. We really don't know __________ to do.
A. to deal with；how
B. to do with；how
C. to deal with ； what
D. to do with ； what
在线课程【答案】C
【解析】句意：有太多的难题需要我们去处理，我们真的不知道做什么。第一个空选to deal with，因为若用to do with, do没有宾语；第二个空do后没有宾语，用what 作宾语，所以正确答案是C。