Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase.
He fell ______ and broke his leg.
upstair upstairs downstair downstairs
Môn học
Chủ đề / Chương
Bài học
Chủ đề
Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase.
He fell ______ and broke his leg.
upstair upstairs downstair downstairs
