A.to work
B.working
C.to have worked
D.have worked
第3题
A.shall appreciate
B.appreciate it
C.shall be appreciated
D.shall appreciate it
第7题
If you will send us a catalog by air, we shall___very much
A.appreciate
B.appreciating
C.appreciation
D.appreciate it
第8题
A.shall appreciate
B.appreciate it
C.shall be appreciated
D.shall appreciate it
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