Scientists are convinced ______ the positive effect of laughter ______ physical and mental health.
A. of; at B. by; in
C. of; on D. on; at
高三英语单项填空中等难度题
Scientists are convinced the positive effect of laughter physical and mental health.
A. of; at B. by; in C. of; on D. on; at
高三英语单项填空中等难度题查看答案及解析
Scientists are convinced--- the positive effect of laughter___ physical and mental health.
A.of;at | B.by;in | C.of;on | D.on:at |
高三英语单项填空中等难度题查看答案及解析
Scientists are convinced ___ the positive effect of laughter ___ physical and mental health.
A.of;at B.by;in
C.of;on D.on;at
高三英语单项填空中等难度题查看答案及解析
Scientists are convinced _____the positive effect of laughter _____physical and mental health.
A.of ;at B.by; in C.of ; on D.on ;at
高三英语单项填空中等难度题查看答案及解析
Scientists are convinced___the positive effect of laughter___physical and mental health.
A.of;at | B.by;in |
C.of;on | D.on;at |
高三英语单项填空中等难度题查看答案及解析
Scientists are convinced________the positive effect of laughter_____physical and mental health.
A.of, at B.by, in C.of, on D.on, at
高三英语单项填空困难题查看答案及解析
Scientists are convinced ______ the positive effect of laughter ______ physical and mental health.
A. of; at B. by; in
C. of; on D. on; at
高三英语单项填空中等难度题查看答案及解析
Scientists are convinced _______the positive effect of laughter ______ physical and mental health.
A. of ; at B. by ; in C. of ; on D. on ; at
高三英语单项填空中等难度题查看答案及解析
Scientists are convinced ________ the positive effect of laughter ________ physical and mental health.
A. of; at B. on; at C. by; in D. of; on
高三英语单项填空中等难度题查看答案及解析
Scientists are convinced________the positive effect of laughter________physical and mental health.
A.of; at B.by; in C.of; on D.on; at
高三英语单项填空中等难度题查看答案及解析