4. My brother was losing hiskeys.
A. onceinawhile
B. always
C. sometimes
D. occassionally
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5. Whenshereachedher house,shefoundthatsomeone .
A. broke in and tookherjewelry
B. hadbroken inandhad taken herjewelry
C. has broken in andtaken herjewelry
D. hasbroken inandto take herjewelry
6. The patient the X-ray treatments up to the time he left.
A. had been taking
B. was taking
C. has taken
D. took
7. Next month they in the countryfor 20 years.
A. are
B. have been
C. will be
D. will have been
8. By thetime Professor Smith retires he for forty years.
A. had taught
B. hastaught
C. willhavetaught
D. willteach
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