Question 11 MarkThe work has been going on $.........$ many months. $[$since , for$]$AnswerforView full question & answer→
Question 21 MarkThe children have been playing $.........$ two hours. $[$since , for$]$AnswerforView full question & answer→
Question 31 MarkShe has been singing $.........$ childhood. $[$since , for$]$AnswersinceView full question & answer→
Question 41 MarkI have not eaten anything $.........$ morning. $[$since , for$]$AnswersinceView full question & answer→
Question 51 MarkFather has been working $.........$ a long time. $[$since , for$]$AnswerforView full question & answer→
Question 61 MarkWe have been waiting $.........8$ o'clock. $[$since , for$]$AnswersinceView full question & answer→
Question 71 MarkThey have been living here $.........$ many years. $[$since , for$]$AnswerforView full question & answer→
Question 81 MarkThe patients have been waiting $.........$half an hour.$[$since , for$]$AnswerforView full question & answer→
Question 91 MarkI have been learning Sanskrit $.........$ last year. $[$since , for$]$AnswersinceView full question & answer→
Question 101 MarkMr Shah has been working here $.........2017. [$since , for$]$AnswersinceView full question & answer→
Question 111 MarkHarsh has been watching $TV ........$he came home. $[$since , for$]$AnswersinceView full question & answer→