5. The medicine must __________ (keep) away from children.

4. They __________ (talk) about the TV play when I came into the room yesterday.

3. A big ship for another country __________ (produce) in Dalian last year.

2. ---What's your plan for the coming holiday?

---I _________ (visit) Beijing if possible.

90. It is better for you to stop talking now.

　 You _________ ________ stop talking now.

89. She quickly left to look after the sick people when she heard the news.

When she heard the news，she _________　 ________ to look after the sick people.

88. My brother joined the army in 2002 　My brother_________　 _________ in the army since 2002

87.He is very weak, and he can’t carry the box.

He isn’t _________ _________ to carry the box.

86. He liked singing better than dancing when he was a child.

　 He _________ singing __________ dancing when he was a child .