(2014·南京四校阶段调研)Misunderstandings________from lack of social communication，unless________properly，may lead to serious problems.
#88436
A
arisen；handling
B
arising；handled
C
rising；handled
D
risen；handling
推荐题目
—Amy, please tell the people seated and ________ for their turns to come to my office five minutes later.—Yes, sir.
#89036
A
wait
B
waiting
C
waited
D
to wait
Without facts，we can’t form a correct opinion，for we need to have actual knowledge______our thinking.
#98472
A
which to be based on
B
which to base on
C
on which to base
D
which to base
In the USA, he made a lot of friends ______ English well to make himself ______.
#97969
A
learn; understand
B
to learn; understood
C
learning; understand
D
learned; understood