A.could have been avoided | B.could have avoided |
C.would have avoid | D.should have been avoided |
A.did he | B.didn’t he | C.would I | D.wouldn’t I |
A.that | B.which | C.who | D.What |
A.models of the new generation of airliners there were |
B.there were models of the new generation of airliners |
C.were models of the new generation of airliners |
D.were there models of the new generation of airliners |
A.and then he began | B.when he began | C.to begin | D.than he began |
A.So proud may we be | B.Although we may pride ourselves a great deal |
C.Proud as we may be | D.Pride ourselves as we may |
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