Question

用所给单词的适当形式填空 1．________(sudden),he heard a crying for help． 2．Lily was very ________(tire) and she fell asleep on the desk． 3．Don't worry．There is ________(something) strange here． 4．Look!The cat is ________(fall) down from the tree． 5．I answered the same question ________(two)．

Answer 1

答案：
解析：

1．Suddenly 　　2．tired 　　3．nothing 　　4．答案：falling 　　解析：由“look”可知用进行时。 　　5．答案：twice 　　解析：twice是副词，“两次”。