找出下列各句中的错误并修改.
1.Itisbadlytoeatunhealthyfood.
2.ChinahasmanypeoplethanJapan.
3.Let'scontinuereadhisbook.
4.HelenwillleavetoBeijingforameeting.
5.Mymotheriseattingsomefishnow.
根据汉语提示完成句子.
1.电视不如电脑有用.
ATVis_______useful______acomputer.
2.我认为跑步不比骑自行车更累人.
I_____thinkrunning_________________thancycling.