1.This S/C may be______three months before its expiry.
a.postponed
b.prolonged
c. expanded
d. renewed
2. Please reply to our inquiry______your earliest convenience.
a. by
b. upon
c. for
d. at
3. Shipment will be effected this month, subject to your L/C______ us in one week.
a. reaching
b. reaches
c. will reach
d. has reached
4. Our practices are conformable to the requirements______by international organizations.
a. laid down
b. lied down
c. lay down
d. laid out
5. Just as quality is important for our company,______ marketing.
a. as it is
b. so is
c. the same as
d. and so is
6. Most electronic devices of this kind,______manufactured for export, are tightly packed.
a. that are
b. as are
c. which is
d. it is
7. I appreciate______the opportunity to visit your factory
a. having been given
b. to have been given
c. having given
d. to have given