Question

.
. He has never travelled out of his hometown, _______ to a foreign country.

A．leave out

B．let out

C．let alone

D．leave alone

Answer 1

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。