问题
选择题
Lots of medicine as well as equipment such as tents _______ offered to the area since the earthquake occurred.
A．has been
B．have been
C．is being
D．are being
答案
答案：A
考查主谓一致和时态。Since通常与现在完成时连用。本题得主语是Lots of medicine，是不可数名词，后面应该使用单数形式，根据句意应该是被动的关系。故A正确。句意：自从地震以来，很多药物和帐篷这样的设备已经被提供给这个地区。