单项选择题
Something bad has happened ______ the family last night...
单项选择题Something bad has happened ______ the family last night.
The secretary worked late into the night, ______ a long...
单项选择题The secretary worked late into the night, ______ a long speech for the president.
He is sitting ______ of the car with the driver.A．in fr...
单项选择题He is sitting ______ of the car with the driver.
