(2020原创)Finally the problem ________. All people cheered up.
A.solved B.has solved C.was solved D.has been solved
(2020原创)All the tasks ________ on time, which really shocked me.
A.finished B.have finished C.were finished D.had been finished
(2020原创) He ________ not to smoke. So he tries his best not to smoke again.
A.advise B.is advised C.will advise D.will be advised
(2020原创)He walked out of the restaurant because only noodles ________ there.
A.served B.will serve C.were served D.will be served
(2020原创)The tea ________ by accident. Do you know more about the history of tea?
A.discover B.discovered C.is discovered D.was discovered
(2020原创)Garbage sorting ________ to the public. It will affect our life in many ways.
A.has been introduced B.has introduced C.introduced D.will be introduced
