have a look on the cake对吗?要把on改成at吗?

The teacher will ____ the examination papers for us when we have finished them.A.look at B.look over C.look after D.look on can i have a look ( )the radio?A,at B,in C,on he put his photos on the Internet for us toA.to have a look B.to read C.to have a look at D.to look Let me have a look at the T-shirt black. A.on B.in C.for 急! .Look!There _____ a lot of sheep on the hill.A.is B.has C.have D.are Both the parents are away on business ,who do you have --- after the children at home?A looking B look C to look I----like to have a look at your photos on the great wall.Ashall Bshould C will Dcould let is go and （）the car.a have a look b have look c have a look at d have look at let's ( ) the map of china.a.have a look b.have a look at c.look after They are going to ______ the high-rises near the crossroadsA have a look B have a look at C have look at D have a see have a look on the cake对吗?要把on改成at吗? Look!There ___ some boys on the playground.A.are B.is C.have如果选用have,这个句子该怎么改? please the boy over there. A look after b have a look c look d watchplease -----------------the boy over there put it on还是put on it?1.This is __ old picture.__ old picture is on __ wall.填空.是an The the么?2.Let me __ your new watch.选项：A.look B.look at C.have a look D.to look 我认为A.B.D都不大可能,但是C的选项如果放在句中,好 May I have a look at the book on the right? 比如说please have -------look at the photo on the wall 要不要用a或an? Let's go and have a look at the n on the blackboard.根据首字母填空 What can you()on the chair?A.look B.look at C.see D.watch