单项选择题
A.have had B.had have C.had had D.would have had
Please give us your quotations （）you receive the additi...
单项选择题Please give us your quotations （）you receive the additional repair list.
A.as soon as B.as well as C.as soon as possible D.as early as possible
According to our calculation there is shortage of ten t...
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
The （） of the life-raft is sufficient for all of you.A....
单项选择题The （） of the life-raft is sufficient for all of you.
A.capacity B.visibility C.reliability D.ability
