A.was booked | B.had been booked | C.were booked | D.have been booked |
A.are not decided | B.have not been decided | C.is not being decided | D.has not been decided |
A.studied | B.study | C.had studied | D.was studying |
A.won’t | B.hadn’t | C.hasn’t | D.doesn’t |
A.have | B.am having | C.have had | D.had |
A.have known | B.knew | C.would know | D.had known |
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