20. When you have filled in the form, keep the top part and send_________part to the bank.
A) others
B) other
C) the other
D) the others
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21. All our spare parts are guaranteed if you have your car______with us each year.
A)serviced
B) be servicing
C) to service
D)servicing
22. We are confident that we_________our export sales by 15 percent by the end of this year.
A)increase
B) had increased
C) would increase
D) will have increased
23. If you leave your preparation__________the last minute, you'll reduce your chances of passingthe exam.
A)at
B)with
C) over
D) until
24. Only after we really understand your business________a suitable insurance programme foryou.
A) can we recommend
B) we can recommend
C) recommend we can
D) recommend can we