How long ________ they ________ (dig) the ditch?
have … been digging
暂无解析
Hotmetal________asitgrowscooler.
Ihavebeenstudyinghereforfouryears,bynextsummerI________.
________(catch)intherain,hewaswettotheskin.
Night________(fall),wehurriedhome.
Thosewho’dliketovisittheexhibition________(sign)yournameshere.
