When you do an experiment, it is importa
题型：选择题
问题：
When you do an experiment, it is important that you have ____ patience to observe and record ___
whole process of the experiment [ ]
A. a ; a
B. the; the
C. the ; a
D. /; the
When you do an experiment, it is important that you have ____ patience to observe and record ___
whole process of the experiment [ ]
A. a ; a
B. the; the
C. the ; a
D. /; the