What do you think of nature reserve you visited last weekend—It’s great. It is ideal home for wildlife.

What was the 2014 Nanjing Youth Olympic Games like—As we all know, it was _________ big success.

______ at the party, we saw Ruth standing alone in the corner of the hall. [ ]

The police ________ roadblocks on routes out of the city to prevent the criminal from escaping. [ ]

otothelibrarythisafternoon,_____