you'll have to pay a deposit of 60 dallars to reserve the room,have 起什么作用.to 是不定式符号
问题描述:
you'll have to pay a deposit of 60 dallars to reserve the room,have 起什么作用.to 是不定式符号
to 是不定式符号是吗.
答
have to词组:不得不