sp2杂化是指（ ）
A. 1个s轨道和1个p轨道
B. 1个s轨道和3个p轨道
C. 1个s轨道和2个p轨道
D. 1个s轨道和4个p轨道
Which indirect speech is wrong?
A. "I like apples," Tom said.Tom said he liked apples.
B. "I don't like action films," Lingling said.Lingling said that she didn't like action films.
C. He said, "I am here."He said that he was here.
D. My mother told me, “You should finish your homework first, then you can play with your friends.”My mother told me that I should finish my homework first and then I could go out and play with my friends.
He asked, "Where are you toget off, John?"He asked John where _____________ get off.
A. was he to
B. he was to
C. does he to
D. would he to
Which sentences are right?
A. Can you tell me where is the hospital?
B. Can you tell me wherethe hospital is?
C. I don't know whether does he speak Chinese.
D. I don't know whether he speaks Chinese.
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