There were many talented actors out there just waiting（）

单项选择题The settlement is home to nearly 1,000 people, many of（）left their village homes for a better life in the city.

A. whom
B. them
C. which
D. those

单项选择题苏霍姆林斯基的教育思想是( )。

单项选择题I'm tired out. I ______ all afternoon and I don't seem to have finished anything.

单项选择题I have to delay（）the letter.

A.to answer
B.answering
C.answer
D.answered

单项选择题No sooner had he finished his talk______he was surrounded by the workers.