Bài 1: Chia động từ trong ngoặc
Tim [go] to bed early last night because he [not sleep] well the night before.
After putting the letters into the mailbox Mary [realize] that she [ not put] a stamp on them.
When I [ arrive] Jack [ already go] home.
After dinner I [ serve] the dessert that I [ prepare] the afternoon before.
When I [leave] they [ still not find] my luggage.
I [ not know] that Jonathon [ live] in Austin before he moved here.
After Jerry [ do] his homework, he [ go] out to play with his friend.
I was surprised to find out that he [ be ] in Italy a week before his mother [come]