.How long have you stayed here ?______two days .A, For B. In C. By D. Since
The train was travelling _______ low speed at that time.
— Have you ever been to Sanya? — Yes, ________already.
—__________is it from Nanjing to Yangzhou? — About one hour’s bus ride.
The song was so sweet. We couldn’t stop__________along.
The flowers in the garden are different from _________ in vases.