_________your watch five minutes ahead is an effectiveway to avoid being late

_____on the grass _____singing and laughing

Liu Xiang won the gold medal. We ________ him.

I want to know if they _____ the spring sports meetingnext month. I must get ready for it if they ___ it.

I _____ ping-pong quite well, but I haven’t had time to play since the new year[ ]