句型转换
【小题1】The river is over 2,000 metres long.（改为同义句）
The river is ________ ________ 2,000 metres long.
【小题2】I don't know how I can learn English well.（改为简单句）
I don't know ________ ________ ________ English well.
【小题3】The bag is so heavy that she can't carry it.（改为同义句）
The bag is ________ heavy ________ her ________ carry.
【小题4】The students had great fun in the park last Sunday.（改为同义句）
The students ________ ________ in the park last Sunday.
【小题5】It took my father four months to build the new house.（改为同义句）
My father ________ four months ________ the new house.