【单选题】
You ____ that letter to James. However, you didn’t.
【单选题】
1.The movie star ______ with your sister, didn’t he?
【单选题】
He didn’t pass the final examination. He ______ it.
③
ought to have prepared for
【单选题】
She’s an only child, but they didn’t really __________ her.
【单选题】
_______ she tried her best, she didn’t succeed.
【单选题】
I am so tired that I spend one day _______.
【单选题】
This is the nurse who ____ to me when I was ill in hospital.
【单选题】
8. I______ go to bed until I ______ finished my work last night.
【单选题】
—Are you a teacher?—No, but I ________. I worked in a middle school for three years.
【单选题】
4.Scientists didn’t know much about lung cancer ______.