In the present (economy) ______ climate, we must keep costs down.
第1题
A.will hand in
B.will have handed in
C.to hand in
D.hand in
第2题
A.that
B.such
C.as
D.too
第3题
A.they realized
B.they realized what
C.did they realize
D.did they realize what
第4题
A.proves
B.prove
C.proving
D.have proved
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