An artist who was recently traveling on a ferry to the southern island discovered ________ a long lost antique Greek vase.

The teacher said that they ______ hard-working students.

____________ do you make a banana milk shake? ––First,peel three bananas.

His suggestion ___they have a meeting todiscuss the matter is reasonable．

Jack, could you help me whenthe plane will take off on the Internet? —I’m sorry, my computer doesn’t work.