问题详情:
You can’t see things clearly through a telescope unless it is _____ correctly to your sight.
A. adjusted B. examined C. checked D. tested
【回答】
A
知识点:动词
题型:选择题
问题详情:
You can’t see things clearly through a telescope unless it is _____ correctly to your sight.
A. adjusted B. examined C. checked D. tested
【回答】
A
知识点:动词
题型:选择题