A. to B. on C. into D. for
A. consist B. composed C. consists D. formed
A. 溃疡表面有白色假膜 B. 溃疡表面有黄白色膜样渗出物,周围有红晕 C. 口腔黏膜上有白色乳凝块样物 D. 口腔黏膜上有大小不等的红斑 E. 溃疡表面有红色结痂
A. pretended B. fortified C. forgotten D. forged
A. 得 B. 了 C. 完 D. 好