1 I have been here for 3 days.我已在这儿呆了三天.Have you been here for 3 days?I haven't been here for 3 days.
2 I have heard about it.我听说过这个了.Have you heard about it?I haven't heard about it.
3 We have learned 1000 words so far.我们目前已学了1000个单词.Have you learned 1000 words so far?We haven't learned 1000 words so far.
4 I have spent the money.我已把这钱花掉了.Have you spent the money?I haven't spent the money.
5 I have lived here since 1990.从1990年开始我就在这儿住了.Have you lived here since 1990?I haven't lived here since 1990.
猜你喜欢
- 1已知x.y都是实数,且y√x-2+ √2—x +9,求x的y次方的平方根
- 2为什么物体无限接近光速,物体的质量就会无限加重,以至于无法超过光速?
- 3as we all know的近义词?
- 4在数轴上表示数3的点到表示-5的点之间的距离是_____;若在数轴上一点A与表示数3的点之间的距离是5个单位长度,则点A表示数是_____.
- 5Fe2O3中铁元素的化合价为?FeSO4中铁元素的化合价为?
- 6怎样判断串联、并联电路
- 7things have changed a lot in the town.还是things have been changed a lot.请问哪个对?
- 8用三个完全一样的正方体拼成一个长方体,这个长方体的棱长总和是120cm,原来一个正方体的棱长之和是多少?
- 9在一副比例尺是1:50000的地图上,如果量得A、B两地的图上距离是3厘米那么A,B两地的实际距离是多少?
- 10常混下,ph=12的NaOH溶液与ph=1的HCl溶液按怎样的体积比例混合才得到ph=2的溶液?