please look ----- the blackboard.介词

Please look _your book look at the ( ),please 这道题如下图Please Look please look and please look here Alice,please look this book. please look ----- the blackboard.介词 look,these,photos,at ,please Look at these ( )(watch),please. look at the blackboard,please. 改错:Please look the blackboard. PLEASE LOOK AFTER MOTHER怎么样 please look us up.翻译 Please look the words改错 PLEASE LOOK AFTER MOM怎么样 yes,Look-------- These ones,please. look the ducks,please改错 please look after (somebody's)