<A>WHEN THERE ARE <B> LOW SALES, COMPANIES OFTEN DECID...

36. - 30 BAI TRAC NGHIEM VOI KEYS FOR 9 P
30 BAI TRAC NGHIEM VOI KEYS FOR 9 P

36.<A>When there are <B> low sales, companies often decide <C> developing new

D. He doesn’t like typing.

<D> products.