The international agreement, __________to help people kick off the habit of smoking, was signed two years ago.

It was very difficult to rescue the drowning boy in the sea. One moment the rescue workers ____him butthe next moment they _____.[ ]

______ give us help is welcome.

Would you mind opening the windows Let fresh air into the room.—-____________.

Lily, is this _________ ipad –No, it’s not mine. I think it’s Lucy’s.