问题 单项选择题

Technology will continue to advance and change, and you must()earn.

A. delightedly

B. practically

C. constantly

D. properly

答案

参考答案:C

解析:

delightedly欣喜地,快乐地;practically实际地;constantly持续不断地;properly合适地。故选C。

单项选择题
单项选择题