问题补充:
Though he is busy, he is very and makes a telephone call to his parents from time to time and tries his best to spare some time to visit them.
A. constant
B. considerate
C. considerable
D. conscious.
答案:
A. constant
(答案→)B. considerate
C. considerable
D. conscious.
解析:词义辨析。 A. 不变的 B. 考虑周到的 C. 值得考虑的 D.自觉的。句意:尽管他很忙,他考虑的也非常周到,不时打个电话给他的父母……故选B.