单项选择题
When we reached the station the train had not arrived yet; so we （）
A. need not to hurry B. needn't have hurtled C. didn't need to hurry D. had not needed to hurry
单项选择题 So many comrades （） , the meeting had to be put off.
单项选择题 （） could solve that problem. It's so easy.
单项选择题 If you want his address, you will have to （） the number in the book.
