题干
________ volunteers will give out leaflets to ask people to protect the wetlands.
A：Two hundreds
B：Hundreds of
C：Two hundred of
D：Hundred of
答案(点此获取答案解析）
B
________ volunteers will give out leaflets to ask people to protect the wetlands.
A：Two hundreds
B：Hundreds of
C：Two hundred of
D：Hundred of
