你们几点到达图书馆?What time are you going to ____ at the library?
你们几点到达图书馆?
What time are you going to ____ at the library?
我怕坐飞机.
I'm afraid of ____ a plane.
他在学习英语方面花了大量的时间.
He _____ a lot of time in _____ English.
我恐怕不能参加你的生日聚会了.
____ _____ I can't go to your birthday party.