Thank you for sending us ____ fresh vegetables of many kinds. You have done us ____ a great service.
A.不填;a | B.the;a | C.不填;不填 | D.the;不填 |
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Thank you for sending us ____ fresh vegetables of many kinds. You have done us ____ a great service.
A.不填;a | B.the;a | C.不填;不填 | D.the;不填 |