问题
选择题
— Flight MU257 _____. I must be off now. — Have a nice trip. |
A. is being announced B. has announced C. was announcing D. had been announced |
答案
答案:A
— Flight MU257 _____. I must be off now. — Have a nice trip. |
A. is being announced B. has announced C. was announcing D. had been announced |
答案:A