to are they grandpa their letters wri

to are they grandpa their letters wri 连词成句.1.to are they grandpa their letters writing.2.there the They are writeing letters to their parents far away.改错 they write letters to their favorites,giving They are to get letters.填什么) They write letters to their favorites,giving them advice and They are t____ letters. They sent their letters to their parents by fax提问___________ They are going to help farmers ( ) their Are they (l ) to their teacher? They are going to (u ) their engines They also get letters ___ their friends