(用适当的形式填空) In my family Dad is _______ (busy).

(用适当的形式填空) Look at the dark clouds in the sky. It _______ (rain) soon.

(用适当的形式填空) He started ________ ( write) music at the age of four.

(用适当的形式填空) - Who ______ (write) this piece of music?

- Mozart did.

(用适当的形式填空) I spent an hour ______ (clean) my room.

(用适当的形式填空) John is a _______ (talent) actor.

(用适当的形式填空)  How many ______ (sandwich) would you like?

(根据中文提示补全句子) Now mothers often _______________（担心）their children.

(根据中文提示补全句子) Tom is as ________(体格强健的) as Jim .

(根据中文提示补全句子) My cousin likes surfing the ______________　.( 网上冲浪)