(It) took fifteen minutes for her (realize) that she (had spelled) my name (incorrectly).
A. It
B. realize
C. had spelled
D. incorrectly
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(It) was (so) a long journey (that) we felt very tired (when) we arrived.
A. It
B. so
C. that
D. when
Can you promise to return me the computer
19()
A. Whether
B. Since
C. As
D. When