Ask him _________ .
A. whose cup this is
B. whose cup is this
C. this is whose cup
D. whose is this cup
I don’t know _________ .
A. what time the movie starts
B. what time starts the movie
C. the time to start the movie
D. the movie what time starts
The doctor asked me how long ________ .
A. was I ill
B. have I been ill
C. I have been ill
D. I had been ill
非规律性骨格是以严谨数学方式构成骨格线。
A. 对
B. 错
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