题目内容
The letter ________ chiefly ________ export commodities.
[ ]
A.
is; referred to
B.
take; notice of
C.
has; effect on
D.
is; concerned with
答案:D
解析:
解析:
|
句意为“这封信主要是关于出口商品的”,be concerned with“与……有关”。 |
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