He tried the door very hard,but it ______ openA.couldn’t B.wouldn’t C.shouldn’t

tried the door什么意思 He tried to open the locked door,but he ___(失败). He tried to open the door and (free/freed)the bird. 英语用动词正确形式填空he tried ( )(open )the door with a knife ,but he failed( )(do)it He tried the door very hard,but it ______ openA.couldn’t B.wouldn’t C.shouldn’t But_he found nobody.he closed the door and tried not to fell too angryA alsoB neitherC againD both - i 've tried several times but the door just __open - why __you ask for my help?i don't care- i 've tried several times but the door just __open - why __you ask for my help?i don't careA shan't...need Bneedn't...might Ccan't ...should Dwon't ...must i tried ____ (open ) the door ,but i failed . I tried knocking at the front door but nobody ___it an old man sitting beside the door tried to stand but l door tried open failed to the连词成 He opened the door wide. 一道关于try to do和try doing用法的英语题!No body answer the front door.So he tried ____ at the back door.A.to knock B.knockC.knocked D.knocking应该选择哪个? He opens the door use the door.理由 He tried ___ (catch) the bus ,bHe tried ___ (catch) the bus ,but he miss. He lost the key ____ the door He tried ____(catch)the cat,but he couldn't He opened the door.变被动语态