lice still haven’t found the lost child,but they’re doing all they

It was she that _____ a sharp whistle, which makes ______ possible for us to catch the thief. [ ]

would you like to have______apples–No， thank you. I’m full.

The course that Beijing University offers normally attracts 30 foreign students per year; _______ up to half will be from America.

Please don’t forget to water the flowersduring my absence— ______ You can depend on it