new system _____, the old oneis abolished.

(2013·高考天津卷)If you are in trouble，Mike is always willing to ________a hand

Daddy, do you believe I can swim ______ to catch up with Ben! —Great, dear! But I don’t have ______ to watch your match. I hope to hear your good news.

Hello, may I speak to your father, please—Sorry, my father ______ to London. He went there this morning.

Do you often talk with your friends on thetelephone or mobile phone — I like using QQ