The senior professor told his students to______on their studies.A、be carefulB、p

游客2023-10-20 64

问题 The senior professor told his students to______on their studies.

选项 A、be careful
B、pay attention
C、concern
D、concentrate

答案 D

解析句意：老教授让他的学生专心学习。concentrate on专心，全神贯注。其他选项不可与on搭配。be careful小心，注意，可与in或of搭配。pay attention to注意。concern with关心。

转载请注明原文地址:https://tihaiku.com/zcyy/3114870.html

相关试题推荐

随机试题

最新回复(0)

ProfessorSmith’slivelyandinterestinglecture________myinterestinphilosoph