(改写) In autumn, most tree l_ turn yellow and fall down to the ground.

(改写) 梂hen did you hear from your brother? 桰 r_ a letter from him last Sunday.

(改写) 桽hall we go on a p_ on the hill this Sunday? 桮ood idea. I'll take some food and drink.

(改写) You'd better take a short r_ after an hour's hard work. And you won't feel too tired.

(改写) This bicycle is 600 yuan. It's much more e_ than that one.

(改写) 梂hat h_ to him? 桯e was badly hurt in a car accident.

(改写) Please keep q_. My sister is doing her homework.

(改写) 桪octor, does my son have a fever（发烧）? 桸ot at all. His t_ is only 36.5℃.

(改写) We were held in a t_ jam on the road for an hour.

(改写) Tina is a little w_ in science, but she is good at Chinese and English.