单选题 As a sales assistant, you should not only help customers with purchases but also ensure the smooth running of the store.

单选题 Many members felt upset because they were not informed ______ the deal.

单选题 ______ I return these books to the library today, I'll have to pay a fine.

单选题 If I ______ the advertisement last week, I would have applied for the job.

单选题 By the time I got to the office they ______ the negotiation with the clients.

单选题 We have reached the agreement that the job will be given to ______ asks for it first.

单选题 Many of the representatives disagree with the decision ______ at yesterday's conference.

单选题 Did they give you the information ______ which the report was based.

单选题 It was at the Olympic Games St. Louis 1904 ______ basketball was introduced in the Olympics.