h noted that US media are focusing on Xi’s upcoming state visit, from Tuesday to Friday, _______ Xi’s exchanges and interactions with all walks of life there.

Harry Potter is such an interesting book ________ all kids like to read

Never______ such a difficult problem. It took me almost half an hour to work it out.

Don’t shout in the hospital. —__________.

Rather than ________ on a crowded bus，he always prefers ________ a bicycle