单项选择题
A．treated B．polluted C．tested D．corrupted
Rumors began to （circulate） about his financial problem...
单项选择题Rumors began to （circulate） about his financial problems.（）
A．send B．hear C．confirm D．spread
Three world-class tennis players came to （contend） for ...
单项选择题Three world-class tennis players came to （contend） for this title.（）
A．compete B．argue C．claim D．wish
The methods of communication used during the war were (...
单项选择题The methods of communication used during the war were (primitive).
