1 . When he was to open the door, his keys were ________(无处) to be found. （根据汉语提示单词拼写）

2 . The children were n________ to be seen. (根据首字母单词拼写)

3 . Luna ________(生动地) described her trip to Athens on our way home. (根据汉语提示单词拼写)

4 . Hurry up, o________ we will be late for class. (根据首字母单词拼写)

5 . No one pressed him to work there; he just did it v________.（根据首字母单词拼写）

6 . Children should get the well-rounded diets needed to develop m ________ and physically.（根据首字母单词拼写）

7 . Polly had a feeling that she was being watched by a tall man, who was n____ to be seen when the train arrived at the station

8 . _______（现在，如今）, mass unemployment seems to be a fact of life in the USA.

9 . He was extremely tired but ________(在其他方面) in good health.

10 . We were delayed at the airport; o________ we would have been here by lunchtime.