131.In the past years, we have made efforts to develop business ____.
A.in this line
B.for the section
C.of this
D.on this line
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132.We will see to ____ that the L/C is opened within the stipulated time.
A.it
B.make
C.let
D.them
133.We expect ____ large orders from Europe in the near future.
A.receive
B.to receive
C.to receiving
D.being received
134.Your claim on the shortage of weight ____ to 3.13 tons in all.
A.account
B.accounts
C.amount
D.amounts
135.We are pleased ____ your inquiry of April 3 for our leather shoes.
A.to have
B.to receiving
C.as received
D.receiving