请问, XDF 补充 语法 P68 T315 和T319

315. On the Great Plains, nineteenth-century settlers used mud and grass to build their homes, doing it without timber and nails.

(A)settlers used mud and grass to build their homes, doing it without

(B)settlers used mud and grass to build their homes, did it whithout

(C)settlers used mud and grass to build their homes, making them while not having

(D)settlers used mud and grass to build their homes, making do without

(E)settlers'homes were built of mud and grass, making do without

answer is (D), I choosed (A), but what does "making do" mean? I've never seen this usage before, do you know?

319 BobWilber became Sidney Becht's student and protege when he was nineteen and, for a few years in the 1940's, came as close as to being a carbon of the jazz virtuoso in performance as anyone has ever come.

(A) as anyone has ever come

(B) as anyone ever had been

(C) as anyone ever had done

(D)that anyone ever did

(E)that anyone ever came

The answer is (A), but I choose (B) for the past tense(过去时 came).

先谢过!

1. From longman: make do

to manage with the things that you have, even though this is not really enough

中文意思就是凑活.

2. 现在完成时强调了迄今为止的含义。A里面的come与前面的came平行对称。B里面的ever位置也不对, had ever been更符合习惯表达。

PS, 楼主似乎题目录入有误， 不是as close as to, 是as close to。

Rhod,

非常感激, 如此认真尤其令人感动.