— Don't worry; I am sure the doctor will be here in time.
— But what if he _____? It's going to rain and it's getting dark. [ ]
A. won't come
B. isn't coming
C. doesn't come
D. wouldn't come
答案:C
— Don't worry; I am sure the doctor will be here in time.
— But what if he _____? It's going to rain and it's getting dark. [ ]
A. won't come
B. isn't coming
C. doesn't come
D. wouldn't come
答案:C