Hiking by oneself can be fun and good for health. It may also be good for ______ building.

(单选题)With something ______, he went shopping ______ it began to r (单选题)Never ______ about catching a fish until it is on dry ground (单选题)The second factory ______ I used to work is built in a secre (单选题)______ the heavy rain, you would have gone to the island eas (单选题)The latest computer in addition to these new inventions ____ (单选题)He is said ______ all the day. I ______ very worried about h (单选题)______ for half an hour, the boy realized that he had made a (单选题)The government has taken tougher ______ to combat crime. (单选题)Mr. white devoted himself ______ supporting the whole family (单选题)（ ）