1.Listen,can you hear him___（talk）about the exam?2.My mother

1.Listen,can you hear him___（talk）about the exam?2.My mother isn't here.She ____（go）to the shop.3.She____（save）many people's lives since she____（become）a doctor.4.Tom has much homework_____（do）.Look,he _____（do）it.
5.The boy ______already_____（go）to the Summer Palace with my friends.
6.We______（be）to the Great Wall twice.
7.If it____（be）fine next week,I_____（go）to the Summer Palace with my friends.
8.---_____they ever ____（visit）Beijing?
---Yes,they____.They____（visit）it two years ago.
9.So far,we____（learn）ten English songs.