____theyvisitedtheScienceMuseum,theyshowedgreatinterest...
问题详情：
____ they visited the Science Museum, they showed great interest in everything they saw.
A. At first B. At the first time C. The first time D. For the first time
【回答】
C
知识点：连词
题型：选择题
问题详情：
____ they visited the Science Museum, they showed great interest in everything they saw.
A. At first B. At the first time C. The first time D. For the first time
【回答】
C
知识点：连词
题型：选择题
