A.have occurred | B.occur |
C.have been occurring | D.be occurring |
A.has been built | B.have been built | C.were built | D.have built |
A.have traveled | B.travel | C.are traveling | D.would travel |
A.finished; are going | B.finished; go | C.finishes; are going | D.finishes; go |
A.has been put out | B.was put out |
C.had put out | D.had been put out |
A.expected | B.is expected |
C.is expecting | D.is to expect |
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