17. ____ are largely under control, there still exist many other tough diseases, such as cancer, rheumatism,
and atrophy, which continue to threaten human health.
(A) That today many epidemic diseases
(B) Even today many epidemic diseases
(C) Even though today many epidemic diseases
(D) Many of today’s epidemic diseases
詳解 (共 1 筆)
未解鎖
看到句子中有逗號,但逗號前無連接詞,表示...