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單項(xiàng)選擇題

According to our calculation there is shortage of ten tons of oil compared with yoursI can’t sign the oil （）.

A.sample
B.receipt
C.record
D.quantity

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單項(xiàng)選擇題

The （） of the life-raft is sufficient for all of you.

A.capacity
B.visibility
C.reliability
D.ability

單項(xiàng)選擇題

The annual repair of this year will （） at the end of this monthPlease get everything ready.

A.take place
B.take over
C.carry out
D.carry over

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