单项选择题

A. Two.
B. Five.
C. Three.
D. Four.
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单项选择题
I’m very sorry I’m late. I ______ and told you I was coming.
A. ought to phone you
B. must phone you
C. ought to have phoned you
D. must have phoned you
单项选择题
A. Don’t mention it. Thank you. B. How do you know that C. You are wrong. I’m OK. D. I’ve got a headache.
A. Don’t mention it. Thank you. B. How do you know that
C. You are wrong. I’m OK. D. I’ve got a headache.
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