We offer these goods subject（）their being unsold on receipt of your order.

We shall appreciate it if you will see to it that amendment is cabled（）delay.

A.in
B.out of
C.within
D.without

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The seller may cancel the contract and reserve the right to claim（）buyer’s breach of contract.

A.in case about
B.in case
C.in event of
D.in event

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