题目内容：

Look!The dinosaur is falling down .(last night) 造句

优质解答

现在进行时：
Look!The dinosaur is falling down .
一般过去时：
The dinosaur fell down last night.

追问：

用（often) 改 Look!The dinosaur is falling down 此句~~

追答：

often 常用于一般现在时，应该这样改： The dinosaur often falls down.

追问：

那 Yesterday he did homework very carefuly 用（always)和（now)改写……

追答：

He always does his homework very carefully. He is doing his homework very carefully now.