Đè bài:Viết lại câu thì hiện tại hoàn thành và quá khứ đơn 1.she hasn't had a swim for five years. ⇒she last ....................................... 2.they last talked to each other two months ago. ⇒they haven't.................................................... 3.it's two weeks since they deaned their room. ⇒they........................................................... 4.it's over six months since John had his hair cut. ⇒John............................................................ 5.how long is it since you rode a bicycle? ⇒when...................................................? 6.how long is it since he wrote to you? ⇒when.........................................................? 7.when did he last talk to you? ⇒how long...........................................? 8.when did you last telephone him? ⇒how long.........................................? 9.we have never eaten this kind of food before. ⇒it's the................................................... 10.this is the first time I have seen this film. ⇒I have never...............................................