The problem is______ we can master modern science and technology in a short time.

admin2010-02-22  40

问题 The problem is______ we can master modern science and technology in a short time.

选项 A、if
B、that
C、what
D、how

答案D

解析
转载请注明原文地址:https://kaotiyun.com/show/qQ9K777K
0

最新回复(0)