1、we couldn't help___laughing_____(laugh)when we watched the funny performance of xiao shengyangcan't help doing sth.情不自禁做某事，固定搭配。2、The boy fell____asleep____(sleep)quickly because he was very tiredfall asleep 睡着 ，固定短语3、Mr Green has many things____to deal ____(deal)with SO he can't come to the party...
