______ over a week ago, the books are expected to arrive any time now.
| A． |
Ordering |
B． |
To order |
| C． |
Having ordered |
D． |
Ordered |
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______ over a week ago, the books are expected to arrive any time now.
| A． |
Ordering |
B． |
To order |
| C． |
Having ordered |
D． |
Ordered |
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