It took a great deal of courage to admit that all their efforts had been ________.
-Mom, I’m so tired. I can’t walk any further. -, my dear. You can make it.
— It is very cold these days. — ______.
So badly ______ in the car accident that he had to stay in hospital for several months.
You’d better take some money with you, ______ you need it.
I can think of many cases ______ students can’t write a good article though having a large vocabulary.