I have ___________ paper. [ ]
A. an
B. a
C. any
D. some
答案:D
根据句子意思和首字母填空。
1. What's this in E _____?
2. How do you s ______ pen?
3. Is that her e ______?
4. This is his w ______.
5. What is your l _____ name?
同时对两种外源性哮喘过敏源产生反应支气管哮喘分类正确的是()
A.外源性,内源性
B.外源性,内源性,感染性
C.外源性,内源性,重症哮喘
D.外源性,内源性,混合型
E.外源性,内源性混合型,重症哮喘