ajax是异步的JavaScript和xml,纯前端技术,和后端没有关系。( )
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-Hello, I'd like to speak to Mr. Wang.-He's out to lunch now. ________________.
A. Sorry, you can't.
B. I don't know.
C. No, you can't.
D. Would you mind calling back later?
-I didn't mean to do that. Please forgive me.-________________.
A. Not too bad.
B. That's all right.
C. It's a pleasure.
D. Thank you.
-I'm sorry. I missed the bus.-________________
A. I hope it won't happen again.
B. I accept your apology.
C. You should be very sorry. Never mind.
D. It could happen to anyone.
-I have won the first prize in the English competition.-________________
A. I’m happy.
B. Not bad.
Congratulations.
D. I can’t believe it.
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