Tom has been writing letters all afternoon,but he should have finished them by now,______?没看懂您的答案这是我提问的网址,

She has been writing poems since her childhool.(改为复合句) She has been writing poems since___ 2.Tom has been writing letters all afternoon,but he should have finished them by now,______?反义疑问句的答案应该填什么,希望有解析 Tom has been writing letters all afternoon,but he should have finished them by now,______?没看懂您的答案这是我提问的网址, Sb has been involved in proposal writing怎么翻译 She ____letters all morning and felt tired.A has been writing B writes C had been writing D has written 1.I _______ Tom has made a mistake.A.am thinking B.shall think C.think D.have been thinking2.I _______ writing the article now.A.finish B.is finishing C.finished D.have finished Father is busy writing postcards this morning and______ten so far.A.wrote B.was writing C.has written D.has been writing为什么选D?D是什么时态? He____(has written/has been writing)six books and i__(have read/have been reading)them all. all the students except tom has been abroad改错 Tom has been on the island since two years.(改错) it is 3 years since Tom has been abroad tom didnt smoke has been two years有语法错误吗 Tom has been a________(成员) of the volleyball team Tom ________France .He _____Paris for three weeks.a.has been to :has been tob.has gone to :has been inc.has been to:has been ind..has gone to; has been to并说明原因 he has been writing the composition the whole morning and he still ishe has been writing the composition the whole morning and he still __________,A has been B does C has D is 答案为何选D呢? 高中英语时态题He ___ articles for our wall-newspaper these three years,and he ____ about forty articles.A.has been writing; has written B.has been writing; wroteC.is writing; has been writing D.has written; has written请说明为什么不选b Tom got sick last May and has been in bed since then.为什么has been 而不是had been HE HAS BEEN WRITING IT THE WHOLE NOON AND HE STILL (IS)..为什么括号内是用IS?