句型转换。

1. It's cloudy today. (对划线部分提问) 

                is the weather             today?

2. I went to bed after I finished my homework last night. (同义句)

    I ______ go to bed ______ I finished my homework last night.

3. He is too young to go to school. (同义句)

    He isn't ______  ______ to go to school.

4. I have already finished the work. (用in 10 minutes 改写)

    I ______ ______ the work in 10 minutes.

5. He lit the birthday candles happily, _____  _____? (变反意疑问句)

急性会厌炎（）。

A.起病急，有畏寒发热、剧烈的咽喉痛、吞咽困难、讲话语言含糊不清，可有吸气性呼吸困难甚至窒息，很少有声音嘶哑

B.常发生于感冒之后，可有畏寒、发热、乏力等全身症状，局部症状有声音嘶哑、咳嗽、咳痰及喉痛

C.起病较急，主要症状为声音嘶哑、犬吠样咳嗽、吸气性喉喘鸣和吸气性呼吸困难，还伴有发热、烦躁不安、乏力等全身症状

D.吸气、呼气均有困难，并有声嘶、犬吠样咳嗽、喉喘鸣及高热、精神萎靡、皮肤苍白、脉搏细速等全身中毒症状，胸部听诊两肺可有干、湿啰音

E.有喉痛、咽喉异物感及声音嘶哑等临床症状，并有风湿或类风湿病史