用动词的适当形式填空-Will you be free next week, Mr. Smith?-I'm afraid not. I __________ __________ __________(have) a meeting on global warming from Monday to Friday.
After his wife died, he kept himself _____ from other people and the outside world,
— Why is little Jimmy so naughty today? — He is bored, so he _____ a little silly.
— Real Madrid is sure to win the match! — It's hard to say. You know, anything _____ happen even in the last minute.
Thomas set off, leaving word with his daughter _____ he would come back soon.
Our train was two hours ______ because of strong winds and heavy rains.