单项选择题
A．necessary B．must C．important D．useful
Not only was she hard-working,（） A．how beautiful she wa...
单项选择题Not only was she hard-working,（）
A．how beautiful she was B．was she helpful C．but she was also polite D．what a beautiful girl
Nancy hasn't begun working on her Ph. D,（）working on he...
单项选择题Nancy hasn't begun working on her Ph. D,（）working on her master's.
A．still because she is yet B．yet as a result she is still C．yet because she is still D．still while she is already
It was not until（）that（）to prepare his lessons. A．did h...
单项选择题It was not until（）that（）to prepare his lessons.
A．did his father come in, the boy began B．did his father come in, did the boy begin C．his father came in, the boy began D．his father came in, did the boy begin
