1. They are going $to_{}$ $have_{}$ $to_{}$ $leave_{}$ $soon_{}$ and $so_{}$ $do_{}$ $we_{}$
2. The telephone rang serveral $times_{}$ and $then_{}$ $stop_{}$ before I $could_{}$ answer it
P/s: SỬA LỖI NỮA NHA
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Sinh Học lớp 12
