【单选题】How much do they have to pay for the tickets?
A.
They don't have to pay.
【单选题】万方医学网检索结果提供多种排序方式,主要包括
【单选题】—How _______ do you chat with your aunt on the Internet? —Now and then, though we don’t have much in common.
【单选题】193大多数洗衣房在饭店组织结构中所属的部门是
【单选题】万方医学网检索结果提供多种排序方式,主要包括