单项选择题
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
单项选择题 The （） of the life-raft is sufficient for all of you.
单项选择题 The annual repair of this year will （） at the end of this monthPlease get everything ready.
单项选择题 The above-mentioned damage has caused from improper fitting so that we （） you （） for making compensation.
