I think have tried my best.All that can be done ___ .A.has done B.has been done C.had done D.had been done为什么选B

I think all the_____(design)have tried their best to finish the job I have tried 和 I tried 有什么不同 i have tried.guys,i really tried是什么意思 Coffe hart me I have not take break since yesterday .I 'm so tried!.、 I don't have much energy _______ (practise).I'm tried I have just tried to ring you... I have tried the mooncakes是什么意思 英语翻译Did you ever think of meAs your best friendDid I ever think of youI'm not complainingI never tried to feelI never tried to feel this vibrationI never tried to reachI never tried to reach your edenDid I ever think of youAs my enemyDid you I'm sorry .I didn't do a good job.That's OK.You have tried your best什么 I think I’m 英语翻译I'm really tried now 英语翻译tried to tell you,tried to make you seeI‘m not half of who you think I should beTried to hold on,and I tried to keep up onThis fake personalityI tried to hear youbut you’re so hard to listen toYou only see,what you wanna seeI’m sorr I think i have lost 改错:I'm thirsty.I think i have something to drink I'm so tired.I think I ____(have) a rest. Have you tried it?(yes.i have just tried it.i have never tried it before)这个回答是正确的吗? I’m afraid you misunderstood me because what I__to do was to comfort you.A have tried.B.was tryiA have tried.B.was trying.请问选择哪个答案 I'm very tried so I want sleep,