【简答题】Locate the incorrect word or phrase in the following sentences Vaccines for some rare diseases are given only to persons which risk exposure to the disease. Because it is a healthful way to exercise, ...
【简答题】Choose the right description of the part of sentence underlined. (选出对句子画线部分结构描述正确的选项.) 1.It is sometimes hard to understand each other.? A.主语 B.谓语 C.宾语 D.表语 2.I think this is a good way of impr...