I always ____________ to look at the sky.[ ]
A. like
B. liked
C. will like
答案:A
常见的胃粘膜屏障损害因素不包括()
A.应激因素
B.肠液反流
C.某些食物和许多药物
D.生物因素
E.胃酸和胃蛋白酶
For my homework I have to write a(n) _____ about the wonders of the world. [ ]
A. music
B. picture
C. composition
D. exam