Have you finished your experiment report, Jane?—Oh, my God I’ve _______ forgotten all about that[ ]

Can I ______ your bike, Sam—Sorry, I ______ it to Mike just now.

（2014重庆）In Chongqing，you can often see many people dance outside together if it________in the evening．

We visited the Art Gallery in the morning and an exhibition later,with a hurried lunch________.

The 3G cell-phone must be of great use to ______ wants to get the information through the Internet quickly.