THE CLASS DISCUSSION WAS SHORT; ... WE LEARNED A LOT FROM IT.A. HO...

18. - 3500 CAU TRAC NGHIEM ON TAP AV THCS
3500 CAU TRAC NGHIEM ON TAP AV THCS

18. The class discussion was short; ... we learned a lot from it.

a. however

b. moreover

c. besides

d. next to

 a