[he put up some signs_(ask)someone for help]

[he put up some signs_(ask)someone for help] ·[he put up some signs_(ask)someone for help] 如果是[he wrote some signs_(ask)someone for help]呢? he put up some signs____(ask)for help he put up some signs asking for bikes. Zhang Lin also put up some signs(ask)(for)old computer括号内的适当 He also put up some signs asking for old bikes and called up He also put up some ___ asking for old bikes and called up a He also put up some signs asking for old bikes.中的asking for i often ask for someone _______ help(其他) They needed to ask someone for help.(改否定句) He also put up some signs asking for old bikes.为什么用asking不用t