There are sixty minutes an hour.填介词!

There are sixty minutes an hour.填介词! There are sixty minutes in an hour .对sixty.提问 解析句子：There are sixty minutes in an hour. 改错 there are sixty minutes in a hour here is an useful book There are sixty minutes in ____ hour . A.a B.an C.the D./ 选择 there are sixty m___ in an hour There are sixty m____in an hour. There are 60 minutes in an hour There are 60 minutes in an (hour) There are (s ) minutes in an hour. There are _______ minutes in an hour. Sixty minutes is a long time.There are sixty minutes in an h