There is no ____ that 100 years ago animal testing was cruel, but today animals in experiments are very well taken care of.
Some festivals are held to honour the dead or to satisfy the ancestors, who _______return either to help or to do harm.
----It took me ten years to build up my business, and it almost killed me. ----Well, you know what they say. ____________.
I’m sorry, but I didn’t mean to keep you waiting here for a long time. Can you ______me?
_________, the pay isn’t attractive enough, though the job itself is quite interesting.
The photo brought me back to the memory of the time in Qingdao, _____ I spent my summer holiday by the seaside with my friends.