John’s parents are very strict, so he ____________ use his smartphone after 9 PM.Đoạn văn26/35TASK 2. Choose the best option to complete each sentence. Circle A, B, C or D. John’s parents are very strict, so he ____________ use his smartphone after 9 PM. couldn’tdidn’tmustn’tdoesn’t have toGiải thíchChoose C