中国石油大学 / 中石油
正确率:100%
14. ___Flight 302 to London _______until 7:30 tomorrow morning. —No wonder I hear so many complaints from the passengers.
A、delay
B、delayed
C、has been delayed
D、is to be delayed
A、delay
B、delayed
C、has been delayed
D、is to be delayed
参考答案: