The train __ for five minutes by the time we got there.

After climbing the hills in the natural park for hours, my legs _   under me and I failed to keep pace with others．

The book, which ____ for children under 10, was ____ with adults readers.

His wish to become a driver has ＿＿＿＿＿ true. 

The teacher always makes his class so ______ and interesting for us.