The meeting______ a full week by the time it ends.
A. will have lasted
B. would last
C. has lasted
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Scientists say it may be five or ten years________ it is possible to test thismachine on human patients.
A. since
B. when
C. after
D. before
In this play Shakespeare________ his characters live through their language.
A. would make
B. had made
C. made
D. makes
Mary would have finished her graduate education , but she ______to quit andfind a job to support her family.
A. has
B. had
C. would have
Jack ______from home for two days now , and I am beginning to worry abouthis safety.
A. has been missing
B. had been missing
C. was missed