So far as I know, more than one person _______ connected with the accident.
A. is
B. has
C. are
D. have
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Every possible means _______ tried, but without much result.
A. has been
B. have been
C. are
D. is
With the company facing a serious financial situation this year, the staff ______ clearly worried about the news of job loses.
A. is
B. are
C. were
D. was
The worker and poet ______ to the party the other day.
A. is invited
B. was invited
C. has invited
D. invited
She had been saving every cent she had for months, but twenty dollars a week which ______ the total of their income didn't leave much for saving.
A. was
B. were
C. have been
D. has been