(　　)20. We took good care of our mother and took turns ________ the laundry.
(A) do　
(B) did　
(C) does　
(D) doing

答案：登入後查看
統計： A(10), B(12), C(2), D(42), E(0) #359947

努力的人

B1 · 2015/02/25

#997379

We took good care of our mother and took turns ________ the laundry.

我們好好的照顧我們的媽媽, 和輪流________ 洗衣店

輪流做某件事情,因為後面持續會做這件事情,所以答案要加進行式ing