—Have you seen Mr. Smith?—Yes. Look, he _________with a parent in the office.
#39263
A
talks
B
talked
C
is talking
D
has talked
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If he ________harder , he will catch up with us soon .
#38550
A
study
B
studies
C
will study
D
studied
While I ___________ TV, the bell rang.
#42227
A
watch
B
watched
C
am watching
D
was watching