I can't answer this difficult math question. （我答不出这道难的数学题。）

She always gives quick answers in class. （她在课堂上总是快速给出答案。）

Please answer my phone if it rings. （如果我的电话响了，请帮我接一下。）

He answered the doorbell and found his friend standing there. （他应门铃后发现他的朋友站在那儿。）

The witness refused to answer the lawyer's questions. （证人拒绝回答律师的问题。）

I'm waiting for an answer to my email. （我在等一封回复我邮件的回信。）

Can you answer me why you were late again? （你能回答我为什么你又迟到了吗？） They tried to find an answer to the environmental problem. （他们试图找到解决环境问题的办法。）

She answered the call with a sleepy voice. （她用困倦的声音接了电话。）

The teacher asked a question, but no one could answer it. （老师问了一个问题，但没人能回答上来。）

Answer the following questions according to the passage. （根据文章回答下列问题。）

He thought for a while and then answered correctly. （他思考了一会儿然后正确作答。）

I hope you can give me a clear answer soon. （我希望你能尽快给我一个明确的答复。）

She didn't answer my text message until hours later. （直到几个小时后她才回我短信。）

The scientist is still looking for an answer to the mystery. （这位科学家仍在寻找解开这个谜团的答案。）

Answer me truthfully, did you break the window? （如实回答我，是你打破窗户的吗？） We need to find an answer to increase our sales. （我们需要找到提高销售额的办法。）

He answered the interviewer's questions confidently. （他自信地回答了面试官的问题。）

She wrote down her answers on the test paper carefully. （她认真地在试卷上写下答案。）

If you don't know the answer, just say so. （如果你不知道答案，就直说。

）