Answer: C. The design of the Boeing 787 Dreamliner has also taken noise pollution into account, and boasts noise-reducing chevrons on its engine housings.
Explanation: I took test
Answer:
i cant understand the question plz brief it.............
Explanation:
C) have + been + verb + -ing.
He really wants to tell the secret but he knows he cant but like a ticking time bomb eventually itll spill
