用下列所给单词的适当形式完成句子。
plan, tell, thin ,leave, cut
【小题1】My sister is than my brother.
【小题2】We are for Shanghai for our next vacation.
【小题3】Can you help me up these tomatoes?
【小题4】The students enjoy jokes with their teacher after class .
【小题5】My parents to see my uncle and visited their friends.thinner
网友回答
(答案→)thinner
解析：
【小题1】和my brother比，用比较级thinner
【小题2】leave for动身去…,用现在分词leaving和be动词连用，是一般现在时表示将来时
【小题3】cut up切碎，help后面接动词原形
【小题4】tell jokes with开某人玩笑，enjoy后面接动名词telling
【小题5】和visited并列的动作是 planned，双写n。