Jack is talented in sports．He can play basketball as as his brother．（good）
At first， he didn't know what he could do in the new group．（改为简单句）
At first， he didn't know do in the new group．
How's the weather today？（改为同义句）
the weather today？
Could you please be there at 5：00？（改为祈使句）
at 5： 00， please!
The sweater is 20 dollars．（对画线部分提问）
is the sweater？
My father usually goes to work early （avoid） heavy traffic．