问题
选择题
.
. He has never travelled out of his hometown, _______ to a foreign country.
A．leave out
B．let out
C．let alone
D．leave alone
答案
答案：C
考查短语辨析。句意“他还从来没有离开过家乡，更别说出国了。”A“漏掉，省略”；B“泄露，发出，放走”；C“更不用说”；D“让......独自待着”。故选C。