()9.—Whataretheydoingoverthere?—Theyarethemathproblem.A.talkingtoB.talkingonC.talkingwithD.talkingabout
( ) 9. —What are they doing over there?
—They are the math problem.
A. talking to B. talking on
C. talking with D. talking about
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Theboysare()anexcitingactionmovie.A.talkingtoB.ta 2020-07-27 …
()9.—Whataretheydoingoverthere?—Theyarethemathprob 2020-10-30 …
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