His brother likes saslad .(改为一般疑问句） ——his brother __salad?
Tom does his homework after school every day.(改为否定句）
Tom __ __ his homework after school every day.
Are those your uncle's kids?(改为单数句子）
——— ——— your uncle's kid?
My baseball is (in the backpack.)(对括号内提问）
—— —— your baseball?
Can I help you (改为同义句）
—— can I do __you?