We must boil the water.(改为一般疑问句)
We must boil the water.(改为一般疑问句)
We must boil the water first.改为否定句
we should keep the water clean(改为一般疑问句)
We must boil the water first.的否定句
1.We must finish the homework today.(改为一般疑问句)
We must love our family(改为一般疑问句)
The elephant is drinking water.(改为一般疑问句)
We must listen to the teachers.(改一般疑问句)
We need to keep the water clean.(改为一般疑问句) _______we_______to
改为一般疑问句 We waste too much water.
We should drink eight glasses of water every day .(改为一般疑问句)
We must water the flowers everyday改为被动语态