10. It was simply for some special reason __________ I didn't tell you the truth at that time.
A. why
B. that
C. which
D. so
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11. ________he was seriously ill, I wouldn't have told him the truth.
A. If I knew
B. If I know
C. Had I know
Did I know
12. John has never been on time, _____________?
A. has John
B. hasn't John
C. has he
D. hasn't he
13. Do you know Tom bought a new car? I don't know,__________.
A. nor don't I care
B. nor do I care
C. I don't care neither
D. I don't care also
14. It was last night ________ 1 saw the comet.
A. the time
B. when
C. that
D. which
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