The nursing staff are exhausted; they’ve been ______ all weekend.

admin2011-01-05  44

问题 The nursing staff are exhausted; they’ve been ______ all weekend.

选项 A、on guard
B、on call
C、on line
D、on patrol

答案B

解析
转载请注明原文地址:https://kaotiyun.com/show/Z2VK777K
0

最新回复(0)