Viết lại câu :
1, I have never since him before.
>> this is the first time............
2, we havenot heard from him for 2 years .
>> the last time.............
3, he has leant to play the violin since 2007
>> he stayed .................
4, we moved here 2 month ago
>> we have..............
5, How long have you lived here ?
>> when ..........
It's 2 years since I last wrote to my Penpal .
>> I haven't.............