Look who ( ) on the blackboard?A is writing B are writing希望您能解释的详细点,明白点,最好举一点例子,thank you!

The people who get on in this world are the people who get up and look for circumstances they want Look!Who is __ the tree A.on B.under C.between Di empty in the car,I look back on everything.Heart pain Who can? Both the parents are away on business ,who do you have --- after the children at home?A looking B look C to look be on the look out Who's on the cover The world is a dangerous place,not because of those who do evil,but because of those who look on中文 Look back on everything.Heart pain Who can?啥意思 look!( )the boy ( )( draw)on the wall Look,the bird_____(sing) on the tree. Who is the person on the left? The _____ (baby) who the nurses look after are healthy? always look on the bright side on the world Look!He ___(run) on the playground. look!they______(run) on the playground look for things on the Internet是什么意思 Look| Jim_____________(play) basketball on the playground. Always look on the bright side..