— Bob, can you play violin?— Yes, but I don’t have violin.
---I don’t know if his uncle _______.---I think he ________if it doesn’t rain.
The Yellow River is the second ___________river in China .
–Can I get you a cup of tea? ---______________
His grandfather is over 85, _________ he is very healthy.
---Which book can I take ? ---You can take ____ book you like .