________theconcerthadbegundidwerealizewhatasplendidshowitwasgoingtobe.
A、NosoonerTheproblem________whenthestudentsrefusedtodotheirhomework.
I'msorryIforgottowrite;Ihadsomuchelse________mymind.
Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.
It________asashocktorealizethatIwasnotaloneintheroom.
WeweretoldthatSuewouldbeidealforthejob,butshe________badlywhenwetalkedtoher.
