They had waited___the dog____ out of the roomThey had waited___the dog____ out of the roomA.for,coming B,for ,to come C,at ,to come D,at coming该是哪个选项?原因?请讲的细一点.有没有可能选D？

英语翻译they had written They a_______that they had to walk home they had a nice d____________. They had( )climbing the mountain They had an e___ weekend. If they had had money,they would lent you 为什么用had had呢、 They started immediately when they ( )breakfast.A.hadB.had have C.have hadD.had had Last year they had a 什么 trip. A asked her FRIENDS（ ）DURING THE THREE-DAY HOLIDAYWHERE THEY HAD BEEN? WHERE HAD THEY BEEN? WHERE THEY HAD GONE?WHERE HAD THEY GONE?WHY? Have they had any tea or milk? 英语翻译they had been- yes,well- pecked They had lunch at twelve.变疑问句, They had to finish the work________? Have they had any tea or milk? They had an exciting Sunday yesterday感叹句、 they have just had some sandwiches . THey had great fun.[learn] English. they had great fun 的同义句