根据句子意思和所给汉语完成下列句子。
(1)．Many senior people are (说服) buying a lot of health care products．
(2)．It (尚不清楚) where most of the farm workers go on to be employed after the busy farming season．
(3)．If you can (充分利用) your time, your learning efficiency will be improved．
(4)．I’m (期待) taking a trip to Brisbane this summer．
(5)．The present parent-child relationship (不同于) that in the past．
(6)．April 1st is a day when people try to (捉弄) each other in some countries．
(7)．The children sat (并肩) on the sofa watching television．
(8)．He (一定完成了) his work; otherwise he wouldn’t be enjoying himself by the seaside yesterday afternoon．
(9)．Robert would let nothing (妨碍) once he had set his head on what he wished to do．
(10)．You have made several mistakes in your composition, but I still think it is well written (总体来说)．