摘要：--- What were you doing when Lucy in yesterday? ---- I had just finished my homework and to take a shower. A. dropping; start B. had dropped; started C. dropped; have started D. dropped;was starting
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—What were you doing when Lucy ________in yesterday?
—I had just finished my homework and ________to take a shower.
A．dropping；start
B．had dropped；started
C．dropped；have started
D．dropped；was starting
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