he ..... behaved properly with the teachers ( past obligation )
a. couldn't
b. would
c. should
d. could
a. couldn't
b. would
c. should
d. could
Jawaban:d.could
Penjelasan:
he ..... behaved properly with the teachers ( past obligation )
=dia...berperilaku dengan baik dengan para guru(kewajiban masa lalu)
jawabannya d. could
maaf kalo salah
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