1．Whenever we are in trouble，we must________ ________(向前看)and encourage ourselves.
答案：look ahead
2．________ ________ ________(令我欣慰的是)，my little son was found safe and well.
答案：To my relief
3．This job is open to all，________ ________(不管)previous experience.
答案：regardless of
4．He was________ ________ ________ (情绪低落)after he lost his job.
答案：in low spirits
