Table 'a1' already exists这个错误信息的含义是

We had to wait half an hour ______ we had already booked a table

If there is already a table with the same name existed in the database, to overwrite the original table by query, the query type that should be used is (). A: Delete B: Append C: Generate table D: Update

table 'a1' already exists.这个错误信息的含义是指a1已经存在。

When I got to the station the train ______ left. A: already had B: had already C: has already D: already has

Ann ________the film. A: have already seen B: has already seen C: has already seed D: have already saw

【单选题】.—Have you cleaned your room_____? —Yes, I’ve_____cleaned it. A.already, already B.yet, yet C.yet, already A. already, already B. yet, yet C. yet, already

69. Mr. Brown ____ here for two weeks. A: has already been B: is already being C: has already been being D: is already

I have ______ gone over my lessons, but he hasn't ______. A: already,already B: already,yet C: yet,already D: yet,yet

If you ___for your flight, you need to cancel check-in to be able to change your flight. A) B) haady checked in C) have already chd alreecked inD) already checked in A: already check in B: have already checked in C: had already checked in D: already checked in