How _ (surprise)!So many people came for your mother's birthday.横线处的词应变为?理由.急How _ (surprise)!So many people came for your mother's birthday.横线处的词应变为?理由.

How _ (surprise)!So many people came for your mother's birthday.横线处的词应变为?理由.急How _ (surprise)!So many people came for your mother's birthday.横线处的词应变为?理由.
How _ (surprise)!So many people came for your mother's birthday.横线处的词应变为?理由.急
How _ (surprise)!So many people came for your mother's birthday.横线处的词应变为?理由.

How _ (surprise)!So many people came for your mother's birthday.横线处的词应变为?理由.急How _ (surprise)!So many people came for your mother's birthday.横线处的词应变为?理由.
surprising.强调这件事是令人惊讶的,surprising表示令人惊讶的.而surprised表示人感到惊讶的

surprising

改正后的句子：How many birthdays are there in May in your class?和Her mother's birthday is in September.