Drugs have done great harm to some people and their families.—-Quite true, so we should ________ them.

ou call me to say you are not coming, I will seeyou at the theatre at five this afternoon．

The boss asked Tim to go and out if there was anyone else absent.

The birdwatching is very boring, isn’tit——_____________ . I only see few birds.

The old man _____ under a big tree is holding a _____ pole in his hand.