—You see, I’m poor in physics and you are not good at chemistry, and…… — That’s _______ we should help each other.A. when B where C. how D. what
I insisted that a doctor__________ immediately.
The train was late and many people were kept _________ at the railway station. to wait B. to be waiting C. waiting D. waited
——Excuse me. What time ________ the plane __________ ? ——At 7: 45 pm.
He was crazy ____ the girl, but it was crazy ____ him to let such a young girl drive his car.
He ____ all his important thoughts in his diary.