Viết lại các câu sau theo gợi ý

1 WE/ DIFFCULT/ GET/ YOUR LETTER /YESTERDAy
2 IT/ NOT easy /answer /these questions
3  l surprised /see/ paul /the
arty/ last nigh
4 it /interesting /visit /phonh nha cave
5it/ lovely /see/ you/ agein
6 l /delighted/ receive/ your massage
7 we happy receive a lot fo presentn from our grandperents