A.residedB.inhabitedC.livedD.dweltNiu Lang（）his lonely ……

单项选择题A：Can I do anything for you？ B：（）

A.No. You can't do anything for me.
B.No. it's alright. I can manage myself.
C.Never mind
D.It's my pleasure

单项选择题More than 30 years ago, （）that the region was rich in natural resources。

A.people did little know
B.people little know
C.little did know
D.little did people know

单项选择题She walked into the room carefully because she （） waking her husband up。

A.was keen on
B.was afraid of
C.was eager to
D.was careful with