Chia động từ trong ngoặc cho hợp lí: When he ( sit)____ on the bus to school, he suddenly ( realize ) _that he ( not look ) ___ the front door

When he ( sit)______ on the bus to school, he suddenly ( realize ) _____that he ( not look ) _____ the front door

Chia động từ trong ngoặc cho hợp lí: When he ( sit)______ on the bus to school, he suddenly ( realize ) _____that he ( not look ) _____ the front door