单项选择题
A.if B.when C.where D.which
We shall arrange for shipment in August, subject to you...
单项选择题We shall arrange for shipment in August, subject to your L/C () us not later than July 15.
A.received by B.arriving C.reaching D.being reached by
The goods ()shipped already if your L/C had arrived by ...
单项选择题The goods ()shipped already if your L/C had arrived by the end of December.
A.would be B.must have C.had been D.would have been