A.without stock
B.out of stock
C.no stock
D.not in stock

A.embark on
B.intend
C.engage
D.enter into

A.With
B.of
C.By
D.For

A.hope
B.to hope
C.hoping
D.hopefully

A.depends on
B.for condition that
C.on condition that
D.subject to

A.confidential
B.delicate
C.secret
D.sophisticated

A.go over
B.have read
C.refer to
D.check up

A.these
B.---
C.what
D.when

A.enclose；---
B.enclose；you
C.enclose；toyou
D.enclose you；---

A.clear
B.it is clear
C.that clear
D.it clear

A.Even
B.As
C.Much
D.Much as