9．Although not too many people A/H1N1 in the world so far.we had better not go to the crowds．A．caught B．has caughtC．have caught D．have been caught 【查看更多】

 

題目列表(包括答案和解析)

Although not too many people _________ A/H1N1 in the world so far，we had better not go to the crowds．

A．caught                           B．has caught

C．have caught                       D．have been caught

查看答案和解析>>


同步練習(xí)冊(cè)答案