问题
选择题
On account of fuel supplies being finite and many people being wasteful, we will have to install ________ solar heating device in our home.
A．some type of a
B．some types of a
C．some type of
D．some types of
答案
答案：C
题目分析：考查some和冠词的用法：句意：因为燃油是有限的，而且很多人很浪费，我们将不得不在家里安装某种太阳能供暖设备。这里some是某个，后面接单数名词，some type of+名词不需要冠词，选C。