40．The fact is _________(她正做的事情)is of little use to our plan.　 (what)

39．Not until the wild wind calms down ___________(我们才出发)on our first voyage. (set)

38．I’m sorry, I didn’t keep you __________(知晓)the truth of the matter earlier.　 (inform)

37．I’ll come to see you if _________(你方便的话).　 (convenient)

36．________(无论多晚), Mother will wait for him to have dinner together.　 (late)

35．Only by changing the way we live ___________(我们能够拯救地球).　 (save)