Though the situation is rather serious, financial leaders are still ______ about global economy.

I didn’t see Tom last night. Where was he— He______ an interesting book at home.

You can’t imagine when the pupils received these nice presents on Children’s Day.

Although technology has changed the way we _____ friends, the meaning of friendship and our longing for friends remain the same.

The schoolboy regretted ________after he didn’t pass his exam.