Choose the best option to complete the sentence.
They could understand our conversation if they ________ some English.
knewhad knownwould knowwere knownMôn học
Chủ đề / Chương
Bài học
Chủ đề
Choose the best option to complete the sentence.
They could understand our conversation if they ________ some English.
knewhad knownwould knowwere known
