When do you go to the music club? I go there ______ Saturday mornings. [ ]

It is known to all that every minute ____ full use of____ the lessons will benefit students a great deal．

Her sister isn’t ________ to carry the box on her own.

Do you like milk or coffee? — I prefer milk _____ sugar. [ ]

Your mobile phone is quite nice. Where did you buy __________ ? —- In Shenzhen .Do you want to have _______ like this?