I often have conversations with John over ______ telephone, while keep in touch with Tom by ______ letter.

It was the second time we _____ in holding such important parties.

Oh, it’s you! I ______ you. — I’ve just had my hair cut and I’m wearing new glasses.

Do you still remember when we wentto the Summer Palace — I can’t remember it well, but it _____sometime last July

Shanghai is bigger than ____city in Japan.