—I don’t believe we _______ before.
—Well, I saw you once at a party, but we ______ introduced.
A. have met; weren’t B. met; weren’t
C. have met; haven’t been D. met; haven’t been
I waved to Nancy, but she was ______ in her thoughts, and made no response.
A. involved B. stuck C. absorbed D. interested
You must observe and gather information like Nicolaus Copernicus ________ you want more career advancement opportunities.
A. or B. because C. unless D. if
_______ in this way, the result seems unsatisfactory, so we’d better have another try.
A. To look at B. Looking at C. Looked at D. To be looking at
. When he fell over his own feet, his left ankle was sprained, his right hand became ______ and his nose______.
A. swelling; bleeding B. swollen; bled
C. swelling; bled D. swollen; bleeding
. This English newspaper is believed to be a highly valuable one that ________ many events not found in other newspapers.
A. writes B. covers C. prints D. reads
