Wars are disasters. A lot of people will lose their homes whenever a terrible war_____.

______ hearing the news of the success, he opened his mouth wide, and then had a big smile on his face.

─Daniel, doing homework all the time makes us feel bored (无聊). What about going out for a picnic ─ _______.

Peter will give me five sweets an apple, but in fact I don’t have a sweet tooth

The silence in the dark building was scaringNo sound and voice____ heard at that moment