外研版完整版现在进行时及练习一、选择题1．—Candy, could you please help me do the dishes?—Sorry, Mom. I ________ my homework.A．doB．didC．am doingD．have done2．—I haven't seen Jack for a couple of days. —He ________ for the English speaking competition which wi...

时间:2025-07-06 10:30栏目:行业资料