问题
选择题
— Hello, can I speak to Frank?
— I’m sorry, he’s just left home. He reach his office by 9:30.
A．can
B．need
C．shall
D．should
答案
答案：D
考查情态动词。can 能，会，need 需要，shal 将，should按道理说应该，句意：你好，我能和弗兰克说话吗？很抱歉，他刚离开家。他按道理说九点半会到达办公室。所以选D。
