I think we must have a c____ in case of an emergency.首字母填空

题目

I think we must have a c____ in case of an emergency.首字母填空
还有两个
They planned to take a study t_____ to London for language learning.
I'll call you just after I c____ in the hotel.

答案

I think we must have a （cellphone） in case of an emergency.有一部手机
They planned to take a study （trip） to London for language learning.旅途
I'll call you just after I （check） in the hotel.办理入住