问题
单项选择题
青霉素V钾()
A.
B.
C.
D.
E.
答案
参考答案:D
青霉素V钾()
A.
B.
C.
D.
E.
参考答案:D
选词并用其适当形式填空。 | |
2. Tong is ______ tired ______ run. 3. I first ______ to a movie when I was five years old. 4. Shirley Temple ______ a movie star when she was three years old. 5. —How long did you hiccup? —I ______ for two weeks. |