Afterseveralyearsofobservation,theresearchgroup
来源:国语帮 1.93W
问题详情:
After several years of observation, the research group ______ the conclusion that language acquisition is faster when students ______ to the situation where it is spoken.
A. has come to; expose B. have arrived at; are exposed
C. has concluded; are exposed D. have reached; expose
【回答】
B
知识点:动词
题型:选择题