My grandma started using Weibo at the age of 70. She always says it’s never ____ old to start doing things.

They _____a lot through group work on the sports field.

Watch out! Do not get too close to the building. The walls .

Mr. Wilson, can I ask you some questions about your speech–Certainly, feel ________to ask me.

Have you got any information aboutyour missing dog from the police — No I ______ Thepolice say they’ll let me know when there is any news