The fishes in the pond died off because the water was polluted seriously. (对划线部分提问)
did the fiehes in the pond off ?
Do you know________ ________(发生什么)outside just now?
Don’t worry about my parents.They are both in________ ________(身体健康).
Soon they________ ________(飞越)the high mountains and landed safely in Tibet.
She stayed at home and looked after her baby instead of s________,though she did need some clothes.
After half a year’s practice,he really made much p________in English.