单选题：I couldn't say I didn't like something, whatever it might ..

He has been working hard _____ he can make enough money for his family.A. though B. in order that C. even if D. as

It was ten o'clock _____he came back.A. when B. after C. that D. before

“ Even if Sun Yang failed to kill passers-by in his car, he ___ be fined and put into prison for 2 weeks according to the law.” the judge said.A．willB．should C．shall D．may

— How long do you think it will be _____ China sends a manned spaceship to the moon? — Perhaps two or three years.A. when B. until C. that D. before

My book, The House of Hales, is missing. Who ________ have taken it?A．needB．mustC．shouldD．could