句式不完整,應該加上 to us
不過硬選擇就選擇 A,即：to be sent to us
ENGLISH Learn:41.We shall ask for samples _________ and then we can make our decision.
ENGLISH Learn:41.We shall ask for samples _________ and then we can make our decision.
A.to be sent B.being sent C.to send D.to have been sent
A.to be sent B.being sent C.to send D.to have been sent
英語人氣：506 ℃時間：2019-08-19 02:35:26
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