单项选择题
The questions ______ in English. ( ...
单项选择题The questions ______ in English. ( )
She didn't know ______. ( )A．whe...
单项选择题She didn't know ______. ( )
He is not a soldier ______ a sailor.A．butB．but forC．bes...
单项选择题He is not a soldier ______ a sailor.
