Tom,did you break the vase I bought yesterday—It was not my 　　　.The floor was so slippery that I fell down and knocked it off the table.

She has got two cats now. ______ black and white oneis called Rosie and ______ brown one Joseph.

—If the shop _____ soon, we won’t buy this kind of shoes. Shall we go shopping this afternoon? —OK, can’t agree more. [ ]

t ________ our task, however hard itis.

This kind of gel pen which ______ smoothly is quite popular with students